Spleen and Lung Qi Deficiency
Also known as: Lung-Spleen Qi Deficiency, Qi Deficiency of Spleen and Lung, Earth not Generating Metal
Spleen and Lung Qi Deficiency is a pattern where weakness of the digestive system (Spleen) and the respiratory/immune system (Lung) occur together. The Spleen normally produces the Qi and nutrients that support the Lung, so when the Spleen becomes weak, the Lung gradually weakens too. This results in a combination of poor digestion, fatigue, shortness of breath, a weak cough with thin watery phlegm, and frequent colds.
Educational content • Consult qualified TCM practitioners for diagnosis and treatment
What You Might Experience
Key signs — defining features of this pattern
- Chronic cough with thin watery phlegm
- Shortness of breath worsened by exertion
- Poor appetite with abdominal bloating
- Fatigue and general weakness
Also commonly experienced
Also Present in Some Cases
May appear in certain variations of this pattern
What Makes It Better or Worse
Symptoms tend to be worse in the morning, when Qi has not yet fully mobilised for the day, and improve somewhat as the day progresses. Fatigue and shortness of breath are most noticeable after meals, as the weakened Spleen struggles to process food. Late summer and early autumn, the transitional seasons associated with Earth (Spleen) and Metal (Lung) respectively, can be particularly difficult periods. Cold and damp weather in winter and early spring tends to aggravate both digestive and respiratory symptoms. According to the Chinese organ clock, the Spleen's peak activity is 9-11 AM and the Lung's is 3-5 AM. Waking in the early hours with coughing, or feeling sluggish mid-morning, may be relevant to this pattern.
Practitioner's Notes
Diagnosing Spleen and Lung Qi Deficiency requires identifying weakness in both the digestive system (Spleen) and the respiratory and immune system (Lung) simultaneously. The key diagnostic logic follows the mother-child relationship in Five Element theory: the Spleen (Earth) is the 'mother' of the Lung (Metal), meaning the Spleen generates and supports the Lung. When the Spleen is weak, it cannot properly nourish the Lung, and over time both organs become deficient together.
A practitioner looks for two clusters of symptoms appearing together: digestive signs (poor appetite, bloating, loose stools) alongside respiratory and immune signs (shortness of breath, weak cough, susceptibility to colds, spontaneous sweating). The presence of both clusters, combined with general signs of Qi deficiency such as fatigue, a weak voice, and a pale tongue with teeth marks, points strongly to this combined pattern. If only one cluster is present, the diagnosis would be either Spleen Qi Deficiency or Lung Qi Deficiency alone rather than this combined pattern.
The tongue and pulse are confirming evidence: a pale, puffy tongue body with teeth marks reflects the Spleen's failure to manage fluids properly, while a thin white coating and weak pulse confirm the overall Qi deficiency. The presence of thin, white, watery phlegm is a particularly telling sign, as it indicates that the Spleen has failed to transform fluids properly and the resulting dampness has risen to disturb the Lung.
How a Practitioner Identifies This Pattern
In Traditional Chinese Medicine, diagnosis follows four methods of examination (Si Zhen 四诊), a framework developed over 2,000 years ago.
Inspection Wang Zhen 望诊
What the practitioner observes by looking at the patient
Tongue
Pale, puffy, tender body with teeth marks, thin white slippery coating
The tongue body is typically pale and puffy or tender-soft, often with clear teeth marks along the edges. This reflects the Spleen's inability to transform fluids, which accumulate and cause the tongue to swell. The coating is thin and white, sometimes slightly slippery or moist, indicating Cold-Dampness from Qi deficiency. In more pronounced cases, the tongue may appear waterlogged or excessively wet. The overall impression is of a tongue lacking vitality and colour.
Listening & Smelling Wen Zhen 闻诊
What the practitioner hears and smells
Palpation Qie Zhen 切诊
What the practitioner feels by touch
Pulse
The overall pulse quality is weak and lacks force, reflecting the underlying Qi deficiency. The right-side Cun position (associated with the Lung) is typically empty or weak, indicating Lung Qi deficiency. The right-side Guan position (associated with the Spleen) is also deficient, feeling soft and lacking definition. Both positions become weaker with increased pressure. The pulse may be fine (thin) in addition to being weak, reflecting insufficient Qi to fill the vessels. In some cases the pulse may feel slightly slippery in the middle positions if Dampness or Phlegm has started to accumulate, but the underlying quality remains deficient.
How Is This Different From…
Expand each to see the distinguishing features
Spleen Qi Deficiency on its own presents primarily with digestive symptoms (poor appetite, bloating, loose stools, fatigue) but without the prominent respiratory signs. If there is no chronic cough, no thin watery phlegm, and no significant shortness of breath or susceptibility to colds, the Lung has not yet become involved and the pattern remains isolated to the Spleen.
View Spleen Qi DeficiencyLung Qi Deficiency alone features respiratory and immune weakness (weak cough, shortness of breath, spontaneous sweating, catching colds easily) but without the digestive dysfunction. If appetite and digestion are relatively normal and stools are formed, the Spleen is not significantly affected and the pattern is confined to the Lung.
View Lung Qi DeficiencySpleen Yang Deficiency shares the digestive symptoms but adds pronounced cold signs: cold abdomen, preference for hot foods, cold limbs, and watery diarrhoea. The key distinction is the degree of coldness. In Spleen and Lung Qi Deficiency, cold signs are mild or absent, and the respiratory component is prominent. If there is obvious internal cold with abdominal pain relieved by warmth, Spleen Yang Deficiency is more fitting.
View Spleen Yang DeficiencyKidney Failing to Receive Qi also involves shortness of breath and difficulty breathing, but the breathing pattern is different: breathing in is the main difficulty, with a feeling that the breath cannot reach deep enough. It typically occurs in more elderly or chronically ill patients with lower back weakness and urinary symptoms. Spleen and Lung Qi Deficiency centres on productive cough with phlegm and digestive weakness rather than the deep inhalation difficulty seen in Kidney patterns.
View Kidneys failing to receive QiCore dysfunction
Both the Spleen's ability to produce Qi from food and the Lung's ability to manage breathing and surface defence are weakened, leading to poor digestion, chronic respiratory vulnerability, and pervasive fatigue.
What Causes This Pattern
The factors that trigger or sustain this imbalance
Main Causes
The primary triggers for this pattern — expand each for a detailed explanation
When someone has a long-standing cough, asthma, or other chronic lung condition, the Lung Qi gradually becomes depleted from the ongoing effort of dealing with the illness. In TCM's Five Element theory, the Lung (Metal) is considered the 'child' of the Spleen (Earth), meaning the Spleen is responsible for generating and supplying Qi to the Lung. When the Lung is chronically weak and constantly drawing on the Spleen's resources, the Spleen eventually becomes exhausted too. This is described as the 'child's disease reaching the mother'. The weakened Spleen then fails to properly digest food and produce new Qi, which in turn makes it even harder for the Lung to recover, creating a vicious cycle.
The Spleen is highly sensitive to diet. Eating too many cold or raw foods, excessive sweets, greasy foods, or dairy products forces the Spleen to work harder than it can manage. Irregular meal times and overeating also strain its capacity. Over time, the Spleen's ability to extract nourishment from food declines. Since the Spleen is supposed to send refined nutrients upward to support the Lungs (a process described as 'Earth generating Metal'), a weakened Spleen means the Lungs no longer receive adequate nourishment. The Lungs gradually become deficient in Qi, leading to shortness of breath, a weak voice, and vulnerability to respiratory infections.
Prolonged mental labour, excessive worry, and chronic overwork consume Spleen Qi. The Spleen in TCM is particularly vulnerable to overthinking and worry. People who work long hours at a desk, study intensively, or carry heavy emotional burdens are at risk. As the Spleen weakens, it produces less Qi overall, and the Lungs, which depend on this Qi supply, begin to suffer. The person notices they get tired more easily, their voice becomes quieter, and they start catching colds more often.
The Spleen is said to 'dislike dampness'. Living in a damp climate, working in damp conditions, or being frequently exposed to wet weather can overwhelm the Spleen's ability to process fluids. When Dampness accumulates internally, it impairs Spleen function, which in turn reduces the Spleen's capacity to support the Lung. The accumulated Dampness can also condense into Phlegm that lodges in the Lungs, producing a chronic productive cough with thin, white sputum.
As people age, their overall Qi naturally declines, and the Spleen and Lung are often the first organs to show signs of deficiency. People born with a weak constitution (perhaps from maternal illness during pregnancy or premature birth) may have a lifelong tendency toward this pattern. Chronic illness of any kind can also gradually deplete both Spleen and Lung Qi over time, especially if the illness involved repeated courses of antibiotics or other cold-natured medications that damage the Spleen.
How This Pattern Develops
The sequence of events inside the body
To understand this pattern, it helps to know how the Spleen and Lung work together in TCM. The Spleen's primary job is to break down food and drink into usable nourishment and send the refined essence upward to the Lung. The Lung then takes this nourishment and combines it with fresh air to produce Qi, which it distributes throughout the body. The Lung also controls the body's 'outer shield' (a protective layer of Qi at the skin surface that defends against infections). So the Spleen produces the raw material, and the Lung processes and distributes it. They depend on each other, which is why weakness in one so readily affects the other.
When the Spleen becomes weak (from poor diet, overwork, worry, or chronic illness), it can no longer efficiently produce Qi from food. Less nourishment reaches the Lung, and Lung Qi gradually declines too. This is described by the classical principle 'Earth generates Metal', meaning the Spleen (Earth element) nourishes the Lung (Metal element). When the mother organ weakens, the child organ starves. The pathway can also run in reverse: prolonged coughing or chronic respiratory illness depletes Lung Qi, and the struggling Lung draws excessively on the Spleen's resources until the Spleen also becomes exhausted.
Once both organs are weak, several problems cascade. The Spleen fails to process fluids properly, so Dampness accumulates and can condense into thin, watery Phlegm that collects in the Lungs. The Lung cannot properly descend and distribute fluids, contributing to the fluid stagnation. Meanwhile, overall Qi production falls, so the person feels deeply tired, their voice weakens, and their immune defences drop. The body's outer shield becomes porous, leaving the person vulnerable to wind, cold, and other environmental threats. This explains the hallmark combination of digestive problems, respiratory weakness, fatigue, and frequent illness that defines this pattern.
Five Element Context
How this pattern fits within the Five Element framework
Dynamics
In Five Element theory, the Spleen belongs to Earth and the Lung belongs to Metal. Earth is the mother of Metal in the generating (Sheng) cycle, meaning the Spleen nourishes and supports the Lung. This is one of the most clinically important mother-child relationships in TCM. When the Spleen (Earth) is weak, it cannot adequately nourish the Lung (Metal), so Lung Qi gradually declines. The classical treatment strategy for this relationship is called 'cultivating Earth to generate Metal' (培土生金, Pei Tu Sheng Jin), which means strengthening the Spleen in order to restore the Lung. This is why the primary formula for this pattern (Shen Ling Bai Zhu San) focuses heavily on Spleen-strengthening herbs with only a small component directed at the Lung itself. The idea is that once the mother is strong again, the child will naturally recover.
The goal of treatment
Strengthen the Spleen and supplement Lung Qi, with gentle resolution of Dampness and Phlegm
TCM addresses this pattern through three complementary paths: herbal medicine, acupuncture and daily self-care. Each one works differently — and together they address this pattern from multiple angles.
How Herbal Medicine Helps
Herbal medicine is typically the backbone of TCM treatment. Formulas are precisely blended combinations of plants that work together to correct the specific imbalance underlying this pattern — targeting not just the symptoms, but the root cause.
Classical Formulas
These formulas are classically associated with this pattern — each selected because its properties directly address the core imbalance.
Shen Ling Bai Zhu San
参苓白术散
The most representative formula for this pattern. Originally from the Song dynasty text Tai Ping Hui Min He Ji Ju Fang, it supplements the Spleen and benefits Lung Qi while gently resolving Dampness. It embodies the 'cultivating Earth to generate Metal' treatment principle. Best suited when digestive symptoms (loose stools, bloating) are prominent alongside respiratory weakness.
Liu Jun Zi Tang
六君子汤
Six Gentlemen Decoction. Builds on the basic Si Jun Zi Tang by adding Chen Pi and Ban Xia to address Phlegm and Dampness that commonly accumulate when the Spleen is weak. Appropriate when there is more noticeable phlegm production or nausea alongside the Qi deficiency.
Bu Zhong Yi Qi Tang
补中益气汤
Tonify the Middle and Augment Qi Decoction, created by Li Dongyuan. Best suited when the Qi deficiency is more severe, with prominent sinking symptoms such as fatigue that worsens through the day, prolapse sensations, or chronic diarrhoea. It lifts the sunken Qi of the middle burner.
Si Jun Zi Tang
四君子汤
Four Gentlemen Decoction, the foundational Qi-tonifying formula. Contains Ren Shen, Bai Zhu, Fu Ling, and Zhi Gan Cao. Serves as the base from which most Spleen and Lung Qi tonifying formulas are derived. Used when the deficiency is relatively straightforward without significant complicating factors.
Yu Ping Feng San
玉屏风散
Jade Windscreen Powder. Particularly useful when the Lung Qi deficiency manifests primarily as frequent colds, spontaneous sweating, and a weakened surface defence. Contains Huang Qi, Bai Zhu, and Fang Feng. Often combined with Spleen-tonifying formulas for the full Spleen-Lung picture.
How Practitioners Personalise These Formulas
TCM treatment is rarely one-size-fits-all. Based on the individual's full presentation, practitioners often adapt these base formulas:
Common Modifications to Shen Ling Bai Zhu San and Related Formulas
If the person catches colds very frequently and sweats easily: Add Fang Feng (Saposhnikovia root) and increase the dosage of Huang Qi to strengthen the body's surface defences. This essentially combines the strategy of Yu Ping Feng San with the base formula.
If phlegm is copious, white, and watery: Add Ban Xia (Pinellia) and Chen Pi (tangerine peel) to dry Dampness and transform Phlegm. This shifts the formula closer to Liu Jun Zi Tang.
If there is significant abdominal bloating and poor appetite with a feeling of heaviness: Add Sha Ren (Amomum) in a larger dose, or add Huo Xiang (Patchouli) to aromatically awaken the Spleen and resolve turbid Dampness.
If the person feels deeply fatigued with a sinking or dragging sensation in the abdomen: Add Sheng Ma (Cimicifuga) and Chai Hu (Bupleurum) to lift the sunken middle Qi, following the Bu Zhong Yi Qi Tang approach.
If there is loose stool or chronic diarrhoea that worsens in the early morning: Add Bu Gu Zhi (Psoralea) and Rou Dou Kou (Nutmeg) to warm the Spleen and Kidney and firm up the stools.
If shortness of breath is severe and worsens markedly with exertion: Add Wu Wei Zi (Schisandra) to astringe Lung Qi and help the Lungs hold onto Qi. Consider also adding Ge Jie (Gecko) if Kidney involvement is suspected.
Key Individual Herbs
Beyond full formulas, certain individual herbs are particularly well-suited to this pattern — each carrying properties that speak directly to the underlying imbalance.
Huang Qi
Milkvetch roots
The premier Qi-tonifying herb for this pattern. Sweet and slightly warm, it enters the Spleen and Lung channels, boosting Qi on both fronts. It also strengthens the body's surface defences (Wei Qi) to reduce susceptibility to colds.
Dang Shen
Codonopsis roots
A gentle Qi tonic that strengthens both Spleen and Lung. Often used in place of the more expensive Ren Shen (Ginseng) for mild to moderate Qi deficiency. Particularly good for improving appetite and energy.
Bai Zhu
Atractylodes rhizomes
A key Spleen-strengthening herb that also dries Dampness. It helps the Spleen regain its ability to transform food and fluids, addressing both the digestive weakness and the tendency toward phlegm production.
Fu Ling
Poria-cocos mushrooms
A mild, neutral herb that strengthens the Spleen while gently draining accumulated Dampness. It works well alongside Bai Zhu to address the fluid metabolism problems that arise when the Spleen is weak.
Shan Yao
Yam
Chinese yam, a gentle food-grade herb that simultaneously nourishes the Spleen, Lung, and Kidney. Its mild nature makes it suitable for prolonged use and for people with sensitive digestion.
Jie Geng
Platycodon roots
Platycodon root opens and lifts Lung Qi, helping to direct the effects of other herbs upward to the chest. In combination formulas, it acts as a messenger herb that 'cultivates Earth to generate Metal' (supports the Spleen-Lung connection).
Gan Cao
Liquorice
Honey-prepared licorice root harmonises the formula while gently tonifying Spleen Qi. Its sweet flavour and warm nature directly support the Middle Burner.
Da Zao
Jujube dates
Chinese jujube dates nourish the Spleen and augment Qi. Commonly added to tonifying formulas to support digestion and enhance the absorption of other herbs.
How Acupuncture Helps
Acupuncture works by stimulating specific points along the body's energy channels to restore flow and balance. For this pattern, treatment targets the channels most involved in the underlying dysfunction — signalling the body to rebalance from within.
Primary Points
These points are classically selected for this pattern. Each one influences specific organs, channels, or functions relevant to restoring balance.
ST-36
Zusanli ST-36
Zú Sān Lǐ
The foremost point for strengthening Spleen and Stomach Qi. As the He-Sea point of the Stomach channel, it powerfully tonifies the digestive system and supports overall Qi production. It is the single most important point for the Spleen side of this pattern.
LU-9
Taiyuan LU-9
Tài Yuān
The Yuan-Source point of the Lung channel, and also the Shu-Stream point (Earth point on a Metal channel), making it ideal for 'cultivating Earth to generate Metal'. It tonifies Lung Qi and strengthens respiration.
BL-13
Feishu BL-13
Fèi Shū
The Back-Shu point of the Lung. Directly tonifies Lung Qi when needled with reinforcing technique or warmed with moxa. Particularly effective for chronic cough, shortness of breath, and weak voice.
BL-20
Pishu BL-20
Pí Shū
The Back-Shu point of the Spleen. Directly nourishes Spleen Qi and helps resolve Dampness. Especially effective with moxibustion for chronic loose stools and poor appetite.
REN-12
Zhongwan REN-12
Zhōng Wǎn
The Front-Mu point of the Stomach and the Hui-Meeting point of the Fu organs. It regulates the Middle Burner and strengthens the Spleen and Stomach's ability to produce Qi from food.
REN-6
Qihai REN-6
Qì Hǎi
Sea of Qi point. Tonifies the body's overall Qi and strengthens the lower abdomen. Excellent with moxa for generalised Qi deficiency with fatigue and shortness of breath.
SP-3
Taibai SP-3
Tài Bái
The Yuan-Source point of the Spleen channel. Strengthens the Spleen's transforming and transporting functions. Being the Earth point on an Earth channel, it is especially potent for tonifying Spleen Qi.
LU-1
Zhongfu LU-1
Zhōng Fǔ
The Front-Mu point of the Lung. When paired with Feishu BL-13 in a front-back combination, it strongly regulates Lung Qi and addresses both cough and chest oppression.
Acupuncture Treatment Notes
Guidance on needling technique, point combinations, and session structure specific to this pattern:
Point Combination Rationale
The core strategy pairs Back-Shu points (Feishu BL-13 and Pishu BL-20) with their corresponding Front-Mu points (Zhongfu LU-1 and Zhangmen LIV-13 or Zhongwan REN-12) to create front-back resonance that directly tonifies the deficient organs. Zusanli ST-36 and Taibai SP-3 are added as distal points on the lower limbs to strengthen the Spleen's Qi-generating capacity from below, while Taiyuan LU-9 addresses the Lung from the upper limb.
Technique Notes
All points should be needled with reinforcing (Bu) technique. Retain needles for 20-30 minutes. Moxibustion is highly recommended on Pishu BL-20, Zusanli ST-36, Zhongwan REN-12, and Qihai REN-6 as the warming effect is particularly beneficial for Spleen Qi deficiency. Indirect moxa with ginger slices on the back-shu points can enhance the warming and Qi-moving effect.
Additional Considerations
If spontaneous sweating and frequent colds are prominent, add Fengmen BL-12 with moxa to consolidate the exterior. If phlegm is copious, add Fenglong ST-40 to transform Phlegm. For severe fatigue with a sinking sensation, add Baihui DU-20 with moxa to raise Yang Qi. Ear acupuncture points: Lung, Spleen, Stomach, Shenmen, and Subcortex can supplement body acupuncture and are convenient for ongoing stimulation between treatments using ear seeds.
What You Can Do at Home
Professional treatment works best when supported by daily habits. These recommendations are drawn directly from the TCM understanding of this pattern — they address the same root imbalance from a different angle, and can meaningfully accelerate recovery.
Diet
Foods that support your body's recovery from this specific imbalance
Foods to Favour
Warm, cooked foods that are easy to digest should form the foundation of every meal. Congee (rice porridge) is ideal because it is already partially broken down and requires minimal digestive effort. Adding Chinese yam (shan yao), lotus seeds, or cooked pumpkin to congee makes it especially nourishing for the Spleen and Lung. Other helpful foods include sweet potato, millet, oats, well-cooked root vegetables (carrots, parsnips, turnips), chicken broth, and small amounts of lean meats. Warming spices like fresh ginger, cinnamon, and cardamom can be added to food and teas to gently support digestion.
Foods to Limit or Avoid
Cold and raw foods (salads, smoothies, iced drinks, raw fruits in excess) require extra digestive work and can further weaken an already struggling Spleen. Excessive dairy products, sugar, and greasy or fried foods tend to generate Dampness and Phlegm, which will worsen both the digestive and respiratory symptoms. Overly processed or heavy meals should also be minimised. It is better to eat smaller, more frequent meals than large, heavy ones.
Helpful Dietary Habits
Eating at regular times helps the Spleen establish a rhythm. Chewing thoroughly reduces the burden on digestion. Drinking warm water or ginger tea rather than cold beverages supports the Spleen's warming nature. A simple daily habit is to drink a cup of astragalus (huang qi) and jujube date (da zao) tea, which gently tonifies both Spleen and Lung Qi.
Lifestyle
Daily habits that help restore balance — small changes that compound over time
Rest and Activity Balance
Moderate, gentle exercise is better than either extreme exertion or total inactivity. A daily 20-30 minute walk, especially in the morning when Yang Qi is naturally rising, can help stimulate both Spleen and Lung function without overtaxing the body. Avoid exercising to the point of heavy sweating or breathlessness, as this further depletes Qi.
Sleep and Routine
Going to bed before 11pm and rising by 7am supports the body's natural Qi cycle. The Spleen functions best with regularity, so keeping consistent meal and sleep times is particularly important. Avoid eating large meals close to bedtime, as the Spleen's digestive capacity is weakest at night.
Environmental Considerations
Keep the living and working environment warm and dry. Avoid prolonged exposure to damp or cold conditions. In autumn and winter, dress warmly and protect the neck and upper back (where Wind and Cold most easily enter). If living in a humid climate, use a dehumidifier indoors and avoid sitting on damp ground.
Emotional Health
Excessive worry and overthinking directly weaken the Spleen. Developing habits that interrupt worry cycles, such as brief mindfulness breaks during the work day, gentle stretching, or spending time outdoors, can meaningfully support recovery. Reducing information overload and mental multitasking also helps conserve Spleen Qi.
Qigong & Movement
Exercises traditionally recommended to move Qi and support recovery in this pattern
Abdominal Breathing (Belly Breathing)
This is the single most important exercise for this pattern. Sit or lie comfortably and breathe slowly and deeply into the lower abdomen, letting it expand on inhale and gently contract on exhale. Practice for 5-10 minutes, twice daily (morning and evening). This directly strengthens the Lung's breathing capacity while the gentle rhythmic movement of the diaphragm massages and activates the Spleen and Stomach. Start with a comfortable pace and gradually extend each breath.
Ba Duan Jin (Eight Pieces of Brocade)
This classical Qigong set is ideal for people with Qi deficiency because the movements are gentle and can be adapted to any fitness level. Two movements are especially relevant: the first piece (pressing the hands upward to regulate the San Jiao) helps open the chest and improve breathing, while the third piece (raising each arm to regulate the Spleen and Stomach) specifically targets the Spleen's function. Practice the full set once daily for about 15 minutes, preferably in the morning outdoors.
Walking Meditation
A gentle walking practice, 15-20 minutes at a slow to moderate pace, with attention to breathing naturally and evenly. Walking gently engages the leg muscles (governed by the Spleen) and promotes Qi circulation without the depletion that more vigorous exercise can cause. Aim for flat terrain, avoid windy or cold conditions, and stop before becoming breathless or sweaty.
If Left Untreated
Like many TCM patterns, this one tends to deepen and compound over time. Here's what may happen if it goes unaddressed:
If Spleen and Lung Qi Deficiency is left unaddressed, it tends to deepen over time rather than resolve on its own. The most common progression is that the weakened Spleen fails to properly process fluids, leading to the accumulation of internal Dampness. This Dampness can condense into Phlegm that settles in the Lungs, producing a chronic productive cough that becomes increasingly difficult to treat. This represents a shift from a purely deficiency condition to a mixed pattern of deficiency with excess (Phlegm-Damp accumulation).
Over longer periods, the Qi deficiency can deepen into Yang deficiency, meaning the warming and activating capacity of both organs declines further. The person becomes increasingly cold, fatigued, and prone to water retention and oedema, especially in the face and lower legs. In older adults particularly, the deficiency may extend downward to affect the Kidneys, producing a Spleen-Lung-Kidney triple deficiency pattern with breathlessness that worsens markedly on exertion, difficulty inhaling deeply, and lower back weakness.
The weakened surface defences also mean that the person catches respiratory infections more easily, and each infection further depletes Qi, creating a worsening spiral. In severe cases, chronic Blood stasis can develop because Qi is too weak to move Blood properly.
Who Gets This Pattern?
This pattern doesn't affect everyone equally. Here's what the clinical picture typically looks like — and who is most likely to develop it.
How common
Very common
Outlook
Resolves with sustained treatment
Course
Typically chronic
Gender tendency
No strong gender tendency
Age groups
Children, Elderly
Constitutional tendency
People who tend to develop this pattern often share these constitutional traits: People who tend to catch colds easily, feel tired after even light activity, and have a sensitive stomach. They may have a naturally pale complexion, a soft or slightly puffy body, and a quiet voice. Those who have always had a small appetite or who find that rich, greasy, or cold foods easily upset their digestion are particularly susceptible. People who were frequently ill as children or who have a family history of asthma or allergies also tend toward this pattern.
What Western Medicine Calls This
These are the biomedical diagnoses most commonly associated with this TCM pattern — useful if you're bridging Eastern and Western healthcare.
Practitioner Insights
Key observations that experienced TCM practitioners use to identify and understand this pattern — details that go beyond the textbook.
Distinguishing from Lung-Kidney Qi Deficiency: Both patterns involve Lung Qi weakness with chronic cough and breathlessness. The key differentiator is that Spleen-Lung Qi Deficiency features prominent digestive symptoms (poor appetite, bloating, loose stools), while Lung-Kidney Qi Deficiency features dyspnoea with difficulty inhaling, lumbar soreness, and in severe cases cold sweating with cold limbs. The pulse in Spleen-Lung deficiency tends to be weak and thin (Xi Ruo), while Lung-Kidney deficiency often shows a deep, weak pulse (Chen Ruo) at the chi position.
The Phlegm question: Thin, white, easily expectorated sputum is a direct product of this pattern and does not indicate a separate Phlegm pattern. However, if the sputum becomes copious, sticky, or difficult to expectorate, Phlegm-Dampness has accumulated as a secondary pathology and must be addressed concurrently. In such cases, simply tonifying Qi will trap the Phlegm. Use Liu Jun Zi Tang rather than Si Jun Zi Tang as the base formula.
Treatment sequencing: When treating this pattern alongside an acute respiratory infection, always address the external pathogen first before shifting to tonification. Tonifying during an active infection can 'close the door on the thief' and prolong the illness. Yu Ping Feng San is specifically contraindicated during an active wind-cold invasion.
Tongue diagnosis subtlety: A pale, slightly swollen tongue with thin white coating is classic. If tooth marks are very prominent and the coating becomes white and greasy, Dampness has become a significant complicating factor. If the tongue shows any redness at the tip or sides, consider whether there is a Heat component developing from constraint, and do not simply load up on warm tonics.
The breakfast test: Clinically, appetite at breakfast is a reliable gauge of Spleen Qi. Patients with this pattern often report having no appetite in the morning and feeling slightly nauseous at the thought of food. Improvement in morning appetite is one of the earliest and most reliable signs that treatment is working.
How This Pattern Fits Into the Bigger Picture
TCM patterns don't exist in isolation. Understanding where this pattern comes from — and where it can lead — gives you a clearer picture of your health journey.
This is a sub-pattern — a more specific expression of a broader pattern of disharmony.
Qi DeficiencyThese patterns commonly evolve into this one — they can be thought of as earlier stages of the same underlying imbalance:
The most common precursor. When the Spleen has been weak for an extended period, it gradually fails to send enough nourishment upward to the Lungs. The person may notice that what started as purely digestive problems (bloating, loose stools, fatigue) eventually develops into respiratory vulnerability with frequent colds and a lingering cough.
Chronic Lung Qi weakness from prolonged coughing, asthma, or repeated respiratory infections can drain resources from the Spleen. The person begins to develop poor appetite and loose stools on top of their respiratory symptoms.
A general state of overall Qi depletion (from chronic illness, overwork, or poor nourishment) may settle into the Spleen and Lung as the organs most vulnerable to Qi insufficiency, since the Spleen is where Qi is produced and the Lung is where Qi is governed.
These patterns frequently appear alongside this one — many people experience more than one pattern of disharmony at the same time:
Phlegm-Dampness very frequently accompanies this pattern because the weakened Spleen's impaired fluid processing naturally leads to Dampness accumulation, and the weakened Lung cannot properly distribute fluids. The person may have a white greasy tongue coating and a feeling of heaviness.
Defensive Qi weakness naturally accompanies Lung Qi deficiency. The person catches colds easily, sweats spontaneously, and is sensitive to wind and temperature changes. This is the immune aspect of the pattern.
In older adults or those with very chronic illness, Kidney Qi deficiency often coexists with Spleen-Lung weakness, since all three organs participate in Qi production and management. Signs include lower back soreness, frequent urination, and worsening breathlessness on exertion.
Since the Heart and Lung share the upper body and both depend on Zong Qi (Gathering Qi), Heart Qi may also weaken when Spleen-Lung deficiency is chronic. Palpitations, mild shortness of breath with exertion, and a pale complexion suggest Heart involvement.
If this pattern goes unaddressed, it may progress into one of these more complex patterns — another reason why early treatment matters:
The most common progression. When the weakened Spleen can no longer process fluids properly, Dampness accumulates and condenses into Phlegm that lodges in the Lungs. The cough becomes more productive with copious white sputum, and the person may develop a sensation of heaviness or stuffiness in the chest and abdomen.
If the Qi deficiency deepens, the warming function of the Spleen declines. Cold signs appear: cold abdomen, preference for warm food and drink, watery stools especially in the early morning, and cold limbs. This represents a progression from Qi deficiency to Yang deficiency.
When Lung Qi remains weak for a long time, the deficiency can extend downward to the Kidneys (since the Kidney is the root of Qi reception). Breathing becomes more laboured, with difficulty drawing breath deeply, and the person may develop lower back weakness and frequent urination.
Chronically deficient Qi cannot adequately propel Blood through the vessels. Over time, this stagnation can lead to Blood Stasis, with symptoms like a dull complexion, fixed pains, and a purple or dark tongue.
How TCM Classifies This Pattern
TCM has developed multiple overlapping frameworks for categorising patterns of disharmony. Each lens reveals something different about the nature and location of the imbalance.
Eight Principles
Bā Gāng 八纲The foundational diagnostic framework — every pattern is described in terms of eight paired opposites: Interior/Exterior, Cold/Heat, Deficiency/Excess, and Yin/Yang.
What Is Being Disrupted
TCM identifies specific vital substances (Qi, Blood, Yin, Yang, Fluids), pathological products, and external forces involved in creating this pattern.
Vital Substances Affected Jīng Qì Xuè Jīn Yè 精气血津液
Pathological Products
Advanced Frameworks
Specialised classification systems — most relevant in the context of febrile diseases and epidemic conditions — that indicate the depth, location, and severity of a pathogenic influence.
Six Stages
Liù Jīng 六经
San Jiao
Sān Jiāo 三焦
Pattern Combinations
These are the recognised combinations this pattern forms with others. Complex presentations often involve overlapping patterns occurring simultaneously.
Spleen Qi Deficiency is one of the two core component patterns. It contributes the digestive symptoms: poor appetite, abdominal bloating, and loose stools.
Lung Qi Deficiency is the other core component. It contributes the respiratory symptoms: chronic cough, shortness of breath, weak voice, and susceptibility to colds.
Related TCM Concepts
Broader TCM theories and concepts that deepen understanding of this pattern — useful for those wanting to go further in their study of Chinese medicine.
The Spleen as 'the foundation of postnatal life' (后天之本) is central to this pattern. Understanding how the Spleen transforms food into Qi explains why digestive weakness leads to such widespread symptoms.
The Lung governs Qi and respiration and controls the body's surface defence (Wei Qi). When Lung Qi is deficient, both breathing and immunity suffer.
Wei Qi (Defensive Qi) is distributed by the Lung to protect the body's surface. When Lung Qi is deficient, Wei Qi is weakened, explaining the pattern's characteristic susceptibility to colds.
Zong Qi forms in the chest from the combination of air breathed in by the Lungs and refined food essence sent up by the Spleen. When both organs are weak, Zong Qi is insufficient, causing shortness of breath and a weak voice.
Classical Sources
References to the foundational texts of Chinese medicine where this pattern, or its underlying principles, are discussed. These are the sources that practitioners and scholars have studied for centuries.
Classical Source References
Tai Ping Hui Min He Ji Ju Fang (太平惠民和剂局方), Song Dynasty
Section: Shen Ling Bai Zhu San formula entry
Notes: This Song dynasty government formulary contains the original Shen Ling Bai Zhu San, described as treating Spleen-Stomach weakness with poor appetite, loose stools, shortness of breath, and cough. It is the earliest systematised formula embodying the 'cultivating Earth to generate Metal' approach.
Pi Wei Lun (脾胃论) by Li Dongyuan (李东垣), Jin Dynasty
Section: Pi Wei Sheng Shuai Lun (脾胃胜衰论)
Notes: Li Dongyuan's seminal work discusses how Spleen-Stomach weakness leads to Lung deficiency. The text states that when the Spleen and Stomach are deficient, Lung Metal is affected as 'the child organ receiving disease'. This work established the theoretical framework for understanding Spleen-Lung Qi relationships and informed the creation of Bu Zhong Yi Qi Tang.
Huang Di Nei Jing Su Wen (黄帝内经素问)
Section: Jing Mai Bie Lun (经脉别论)
Notes: Contains the foundational passage on fluid metabolism describing how 'drink enters the Stomach, the refined essence overflows and is transmitted to the Spleen, the Spleen disperses the essence and sends it upward to the Lung'. This passage establishes the physiological basis for the Spleen-Lung relationship that underlies this pattern.