A Traditional Chinese Medicine view of

Functional Gastrointestinal Disorders

功能性胃肠病 · gōng néng xìng wèi cháng bìng
+4 other names

Also known as: Disorders Of The Digestive System With No Apparent Structural Or Biochemical Abnormalities, Functional Stomach Disorders, Gastrointestinal dysfunction, Functional Bowel Disorder

Practitioner-reviewed · Updated Jun 2026 · 3 clinical studies

Functional GI disorders in TCM are rarely one disease - they're a conversation between the Liver and Spleen, and the type of pain and bloating tells you who's talking. Most patients see significant improvement within 6-8 weeks of pattern-matched herbs and acupuncture.

5 Patterns
13 Herbs
6 Formulas
11 Acupoints
About this page · what it is and isn't

What this is. A plain-English synthesis of how classical TCM and modern clinical research describe functional gastrointestinal disorders. Patterns and herbs come from canonical TCM sources; clinical claims are cited in the Evidence section.

What it isn't. A diagnosis. Me&Qi is an editorial team, not a licensed clinic. The pattern quiz is a thinking tool — pulse and tongue still need a person in the room. Anything in the Safety section should send you to a doctor, not a herb.

Last reviewed Jun 2026.

Educational content about Traditional Chinese Medicine — not medical advice. See a qualified practitioner for diagnosis and treatment.

Functional Gastrointestinal Disorders (FGIDs) are among the most common reasons people seek help for digestive distress - yet conventional tests often show nothing wrong. In Traditional Chinese Medicine (TCM), this absence of structural damage doesn't mean there's no problem; it signals a functional imbalance in the body's organ systems, particularly the Liver and Spleen. Rather than one disease with one treatment, TCM identifies several distinct patterns that each disrupt digestion in their own way. The bloating, pain, and irregular bowel habits you experience are clues that point to which pattern is at play - and which herbal formula, acupuncture approach, and dietary shift will bring relief.

How TCM understands functional gastrointestinal disorders

TCM understands functional gastrointestinal disorders primarily through the dynamic relationship between the Liver and the Spleen-Stomach network. The Liver is responsible for the smooth flow of Qi throughout the body, including the digestive tract. When emotional stress, frustration, or anger cause the Liver Qi to stagnate, it can 'invade' the Stomach, disrupting its natural downward movement and leading to bloating, belching, and pain that often shifts with mood. This is why so many people notice their symptoms flare during stressful periods - the Liver's emotional burden directly impacts digestion.

The Spleen, in TCM, is the central organ of digestion, transforming food into Qi and blood. When the Spleen's Qi is weak - often from poor diet, overwork, or chronic illness - it cannot properly process food, leading to fatigue, loose stools, and bloating after even small meals. This deficiency can also generate internal dampness, a heavy, sticky pathogenic factor that further clogs the digestive system, causing nausea, a feeling of fullness, and a thick tongue coating.

Other patterns include damp-heat, where accumulated dampness combines with heat from rich foods or alcohol, creating a bitter taste and burning sensation; phlegm-dampness, which produces a heavy, foggy-headed sluggishness; and Spleen Yang deficiency, where the digestive fire is too weak to warm the gut, causing cold-type pain that improves with heat.

Because the same set of Western symptoms can arise from any of these imbalances, TCM doesn't treat 'functional GI disorder' as a single entity - it treats the specific pattern behind your symptoms. The tongue and pulse are the key diagnostic tools that reveal which pattern is active.

From the classical texts

「伤寒五六日,中风,往来寒热,胸胁苦满,嘿嘿不欲饮食,心烦喜呕... 小柴胡汤主之。」

"In cases of cold damage or wind strike of five or six days, with alternating fever and chills, fullness and discomfort in the chest and hypochondrium, a silent desire not to eat, irritability, and frequent retching... Xiao Chai Hu Tang governs. This classic description aligns with functional dyspepsia triggered by emotional stress, where Liver Qi stagnation invades the Stomach."

Shang Han Lun (Treatise on Cold Damage) , Line 96, Taiyang Disease Chapter · More references

How a TCM practitioner diagnoses functional gastrointestinal disorders

Inside the consultation

A TCM practitioner differentiates these patterns by asking what the discomfort feels like, when it strikes, and what makes it better or worse. The quality of the pain-sharp or dull, moving or fixed-along with the tongue and pulse, points toward one pattern rather than another. Emotional triggers and digestive symptoms like belching or stool consistency are especially revealing.

If the symptoms flare with stress and include epigastric distension, frequent belching, and a sensation of pain that moves, the picture suggests Liver Qi Stagnation invading the Stomach. The tongue is often pale red with a thin white coating, and the pulse feels wiry. This pattern is very common in functional GI disorders where mood plays a strong role.

When the main complaint is chronic bloating after meals, fatigue, and loose stools with poor appetite, Spleen and Stomach Qi Deficiency is more likely. The tongue appears pale and slightly swollen with a thin white coat, and the pulse is weak. Unlike the Liver pattern, discomfort here is dull and improves with rest and warmth rather than emotional release.

Damp-Heat and Phlegm-Dampness both cause epigastric fullness and nausea, but they differ in heat signs. Damp-Heat brings a bitter taste, a sticky yellow tongue coating, and a slippery rapid pulse. Phlegm-Dampness presents with chest stuffiness, a greasy white coating, and a slippery pulse without heat.

Spleen Yang Deficiency adds cold signs-dull pain that eases with warmth, cold limbs, and watery stools-with a pale tongue and a deep, weak pulse.

TCM Patterns for Functional Gastrointestinal Disorders

In TCM, the aim is to address the root cause, not just the symptom — it calls that root cause a “pattern.” The same functional gastrointestinal disorders can come from several different patterns, each treated differently. The quickest way to find yours is the quiz below.

Find your pattern

Tap any sign that fits how yours feels.

Private · stays in your browser
  1. 1Your signs
  2. 2What makes it worse
  3. 3What helps

Which signs match your experience?

0 selected this step
Distending pain that radiates to the rib area Symptoms worsen with emotional stress or frustration Frequent belching and acid reflux Irritability, moodiness, and frequent sighing Sensation of a lump or blockage in the throat
Worse with Emotional stress, Anger or frustration, Greasy, fried, or spicy foods, Overeating or large meals, Irregular meal times
Better with Reducing stress, Gentle walking, Deep breathing exercises, Warm, cooked meals, Small, frequent meals
Bloating and fullness after meals Poor appetite or reduced desire to eat Loose or poorly formed stools Fatigue and physical weakness Sallow or pale complexion
Worse with Overeating or large meals, Cold or raw foods and drinks, Fatigue and overwork, Emotional stress, Cold, damp environments
Better with Small, frequent meals, Warm, cooked meals, Gentle walking, Rest and adequate sleep, Warmth on the abdomen
Bloating and fullness in the upper abdomen Bitter or sticky taste in the mouth Sticky, incomplete bowel movements Heaviness in the body and limbs Thirst with little desire to drink
Worse with Greasy, fried, or spicy foods, Alcohol, Hot, humid weather, Overeating or large meals, Sedentary lifestyle
Better with Light, bland meals, Coix seed (Job's tears) tea, Bitter greens (dandelion, chicory), Gentle daily movement, Cool, dry environment
Feeling of fullness and stuffiness in the upper abdomen Bloating and distension after eating Loose sticky stools Heavy sensation in body and limbs Drowsiness and excessive sleepiness
Worse with Greasy, fried, or spicy foods, Cold or raw foods and drinks, Damp, humid weather, Sedentary lifestyle, Overeating or large meals
Better with Warm, cooked meals, Warmth on the abdomen, Gentle walking, Dry, warm environment
Dull abdominal pain that improves with warmth and pressure Cold hands and feet Loose watery stools with undigested food Abdominal bloating worse after eating
Worse with Cold or raw foods and drinks, Overeating or large meals, Cold, damp environments, Fatigue and overwork, Emotional stress
Better with Warmth on the abdomen, Warm drinks and soups, Rest and adequate sleep, Gentle pressure or massage, Small, frequent meals

Treatment

Four ways to address functional gastrointestinal disorders in TCM — explore each, or take the quiz to see what fits you first.

Formulas traditionally used for functional gastrointestinal disorders

6 formulas across the patterns above. The right one depends on your pattern — start with the quiz if you're unsure which fits.

Chai Hu Shu Gan San Bupleurum Liver-Soothing Powder · Míng dynasty, ~1624 CE
Slightly Warm
Courses the Liver and Resolves Constraint Moves Qi and Alleviates Pain Invigorates Blood and Dispels Stasis

A classical formula for people experiencing rib-side or chest pain, emotional frustration, irritability, sighing, and bloating caused by stagnation of Liver Qi. It works by smoothing the flow of Liver Qi, relieving tension, and gently moving blood to stop pain. It is one of the most widely used formulas for stress-related digestive and emotional complaints.

Patterns
Shop · from $23
Si Jun Zi Tang Four Gentlemen Decoction · Sòng dynasty, 1107 CE
Slightly Warm
Tonifies Qi Strengthens the Spleen Harmonizes the Stomach

A foundational classical formula used to strengthen digestion and restore vitality. It gently tonifies the Spleen and Stomach to address fatigue, poor appetite, loose stools, and a pale complexion caused by Qi deficiency. All four herbs are mild and balanced, making this one of the gentlest and most widely used tonic formulas in Chinese medicine.

Patterns
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Xiang Sha Liu Jun Zi Tang Aucklandia and Amomum Six Gentlemen Decoction · Qīng dynasty, circa 1675 CE
Warm
Tonifies Qi and Strengthens the Spleen Harmonizes the Stomach Moves Qi and Resolves Stagnation

A classical formula designed to strengthen weak digestion and relieve bloating, nausea, and abdominal discomfort caused by a weak Spleen and Stomach with dampness and stagnation. It builds upon the foundational Si Jun Zi Tang (Four Gentlemen Decoction) by adding herbs that move Qi and resolve phlegm, making it especially suited for people whose digestive weakness is accompanied by a feeling of fullness, poor appetite, and loose stools.

Patterns
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Lian Po Yin Coptis and Magnolia Bark Drink · Qīng dynasty, 1838 CE
Cool
Clears Heat and Drains Dampness Regulates Qi and Harmonizes the Middle Burner Dries Dampness

A classical formula for treating acute digestive upsets caused by a combination of Dampness and Heat lodging in the Stomach and intestines. It addresses simultaneous vomiting and diarrhea, a feeling of fullness and stuffiness in the chest and upper abdomen, irritability, and dark scanty urine, particularly during hot and humid seasons.

Patterns
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Er Chen Tang Two-Aged Herb Decoction · Sòng dynasty, 1078–1148 CE
Warm
Dries Dampness and Transforms Phlegm Regulates Qi and Harmonizes the Middle Burner Directs Rebellious Qi Downward and Stops Vomiting

A foundational formula used to clear excess phlegm and dampness from the body, especially when they cause coughing with white phlegm, nausea, chest tightness, dizziness, or a heavy feeling in the limbs. It works by drying dampness, dissolving phlegm, and supporting healthy digestion. Named for its two key ingredients, Ban Xia and Chen Pi, which are most effective when aged.

Patterns
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Li Zhong Wan Pill to Regulate the Middle · Eastern Hàn dynasty, c. 200 CE
Warm
Warms the Middle Burner Disperses Cold Tonifies Qi

A classical warming formula used to strengthen the digestive system when it has become weakened by internal cold. It addresses symptoms like watery diarrhea, nausea, abdominal pain relieved by warmth and pressure, poor appetite, and a general feeling of coldness. It works by warming the core of the body and restoring the Spleen and Stomach's ability to process food and fluids.

Patterns
Shop · from $85
Typical timeline for functional gastrointestinal disorders

Excess patterns like Liver Qi Stagnation or Damp-Heat often respond within 2-4 weeks, with noticeable reductions in bloating and pain. Deficiency patterns such as Spleen Qi Deficiency or Spleen Yang Deficiency require a longer commitment - typically 3-6 months - to rebuild the digestive system's strength. Acupuncture is usually given weekly, and herbal formulas are taken daily. Many patients begin to feel relief after the first few sessions, but lasting change depends on correcting the underlying imbalance.

Treatment principles

The overarching principle in TCM for functional GI disorders is to restore the harmonious movement of Qi in the digestive tract. This always involves regulating the Liver and strengthening the Spleen, but the emphasis shifts depending on the pattern. In Liver Qi Stagnation, we smooth the flow of Qi and calm the mind; in Spleen deficiency, we tonify Qi and dry dampness; when damp-heat is present, we clear heat and drain dampness.

Acupuncture and herbs are chosen to address the root imbalance, not just suppress symptoms.

What to expect from treatment

Treatment typically combines weekly acupuncture sessions with a customized herbal formula taken daily. In the first 2-4 weeks, most patients notice a reduction in the intensity and frequency of bloating, pain, and discomfort. Bowel habits may begin to normalize. For long-standing or complex cases, progress is gradual, and full resolution may take 3-6 months. Your practitioner will adjust your formula as your symptoms change. Between sessions, dietary and lifestyle guidance supports the healing process.

General dietary guidance

Across all patterns, a warm, cooked-food diet is the foundation of digestive healing. Avoid raw, cold, and icy foods and drinks, which weaken the Spleen's digestive fire. Eat regular, moderate meals and chew thoroughly. Favour easily digestible foods like congee, soups, steamed vegetables, and well-cooked grains. Limit greasy, fried, and heavily processed foods, as well as dairy and sugar, which can generate dampness. Bitter greens like dandelion can help clear damp-heat; ginger and cinnamon can warm a cold digestion. Specific dietary advice will be tailored to your pattern.

Combining TCM with conventional treatment

TCM can safely complement conventional treatments for functional GI disorders. If you are taking proton pump inhibitors, antispasmodics, or low-dose antidepressants, do not stop them abruptly - work with your prescribing doctor to adjust dosages as your symptoms improve. Most TCM herbs have no known serious interactions with these medications, but it's essential to inform both your TCM practitioner and your doctor about all treatments you are using. Herbs that move Qi or drain dampness are generally gentle, but if you are on blood thinners or have other complex conditions, a careful review is necessary.

*These statements have not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure, or prevent any disease.

Safety & special considerations

Seek urgent medical care — not a TCM practitioner — if you have:
  • Unintended weight loss — Could indicate a more serious underlying condition
  • Blood in stool or black, tarry stools — Possible gastrointestinal bleeding
  • Severe, unrelenting abdominal pain — May require emergency evaluation
  • Difficulty swallowing or painful swallowing — Could signal esophageal obstruction
  • Persistent vomiting, especially with blood — Needs urgent medical assessment
  • Symptoms that wake you from sleep — Organic disease should be ruled out

Audience-specific guidance — open what applies to you

Evidence & references

Acupuncture for functional dyspepsia has been evaluated in several high-quality randomized controlled trials. A large multicenter trial published in the BMJ (2020) demonstrated that acupuncture significantly improved symptoms and quality of life compared to sham acupuncture, with effects lasting up to 24 weeks. A Cochrane systematic review also concluded that acupuncture may provide modest benefits over sham procedures, though the evidence was limited by small sample sizes in some studies.

Chinese herbal medicine shows promise in treating functional gastrointestinal disorders, particularly when tailored to pattern differentiation. Systematic reviews of formulas like Chaihu Shugan San and Xiang Sha Liu Jun Zi Tang report symptom improvement, but most trials are conducted in China and have methodological limitations. Overall, TCM offers a valuable complementary approach, especially for patients who do not respond fully to conventional therapies or wish to address the emotional and dietary roots of their condition.

Key clinical studies

Bottom line for you

This large RCT involving 564 participants found that acupuncture significantly reduced postprandial distress syndrome scores and improved quality of life compared to sham acupuncture. The benefits persisted for 24 weeks after treatment, demonstrating acupuncture's potential as an effective therapy for functional dyspepsia.

Acupuncture for functional dyspepsia: a multicentre randomised controlled trial

Ma T, et al. BMJ. 2020;368:m1319.

10.1136/bmj.m1319
Bottom line for you

This Cochrane systematic review assessed seven trials and found that acupuncture may improve symptoms of functional dyspepsia compared to sham acupuncture, though the quality of evidence was moderate due to risk of bias. It highlighted the need for larger, well-designed studies.

Acupuncture for functional dyspepsia

Lan L, et al. Cochrane Database Syst Rev. 2014;(10):CD008487.

10.1002/14651858.CD008487.pub2
Bottom line for you

This review analyzed 49 RCTs and found that Chinese herbal medicine, particularly formulas based on pattern differentiation, significantly improved global symptom scores compared to placebo or prokinetics. The most commonly studied formulas included Chaihu Shugan San and Xiang Sha Liu Jun Zi Tang.

Chinese herbal medicine for functional dyspepsia: systematic review of randomized controlled trials

Xiao Y, et al. J Gastroenterol Hepatol. 2015;30(9):1326-36.

10.1111/jgh.12978

Classical text references

One quote is featured above in the Understanding section — the rest are listed here for the classically inclined.

「腹满时减,复如故,此为寒,当与温药。」

"Abdominal fullness that subsides at times but returns as before - this is due to cold, and should be treated with warming herbs. This describes Spleen Yang Deficiency-type functional bloating that improves with warmth and pressure, guiding the use of formulas like Li Zhong Wan."

Jin Gui Yao Lue (Synopsis of the Golden Chamber)
Chapter on Fullness in the Abdomen, Cold Hernia, and Food Stagnation

Frequently asked questions

Common questions about using Traditional Chinese Medicine for functional gastrointestinal disorders.

Continue exploring

Where to go next from here.