Qing Bi Tang

Clear the Nose Decoction · 清鼻湯

Also known as: Pueraria Nasal Combination, Qing Bi Wan

A formula designed to relieve nasal congestion, sinus pressure, and thick yellow nasal discharge caused by a combination of external Wind-Cold trapping the surface and Damp-Heat accumulating internally. It works by releasing the exterior, clearing interior Heat, draining Dampness, and opening the nasal passages.

Origin Yan Fang (驗方, Time-Tested Formulas), author and date unknown — Unknown (classical experiential formula)
Composition 13 herbs
Xin Yi Hua
King
Xin Yi Hua
Ge Gen
Deputy
Ge Gen
Ma Huang
Deputy
Ma Huang
Shi Gao
Deputy
Shi Gao
Da Huang
Assistant
Da Huang
Yi Yi Ren
Assistant
Yi Yi Ren
Jie Geng
Assistant
Jie Geng
Chuan Xiong
Assistant
Chuan Xiong
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Educational content Consult qualified TCM practitioners for diagnosis and treatment

Patterns Addressed

In TCM, symptoms don't appear randomly — they cluster into recognizable patterns of disharmony that reveal what's out of balance in the body. Qing Bi Tang is designed to correct these specific patterns.

Why Qing Bi Tang addresses this pattern

Qing Bi Tang is specifically designed for Damp-Heat accumulating in the Lung and nasal passages. When Dampness and Heat combine in the Lung system, they produce thick, yellow, sticky, and often foul-smelling nasal discharge. The nasal passages become congested and swollen. Shi Gao and Da Huang clear the Heat component, Yi Yi Ren and Jie Geng drain the Dampness and help expel turbid discharge, and Xin Yi Hua opens the nasal passages directly. The formula addresses both the root cause (Damp-Heat) and the branch symptom (nasal obstruction).

A practitioner would look for one or more of these signs

Nasal Congestion

Persistent stuffy nose, often bilateral

Thick Nasal Discharge

Yellow, sticky, possibly foul-smelling discharge

Reduced Sense Of Smell

Decreased or lost sense of smell

Headaches

Frontal headache or heaviness in the forehead area

Eye Fatigue

Reduced energy due to lingering pathogen

Commonly Prescribed For

These conditions can arise from the patterns above. A practitioner would consider Qing Bi Tang when these conditions are specifically caused by those patterns — not for all cases of these conditions.

Arises from: Lung Damp Heat Wind-Cold invading the Lungs

TCM Interpretation

In TCM, sinusitis falls under the category of 'Bi Yuan' (鼻渊), meaning 'deep-source nasal discharge.' The Lung opens to the nose, so when pathogenic factors accumulate in the Lung system, the nose is directly affected. Sinusitis typically begins with an exterior Wind-Cold invasion that is not fully resolved. The trapped pathogen transforms into Heat over time, and when combined with Dampness (often from Spleen weakness or environmental exposure), it produces the characteristic thick, yellow, foul-smelling discharge and nasal congestion. The nasal passages become swollen and blocked, leading to sinus pressure, headaches, and loss of smell.

Why Qing Bi Tang Helps

Qing Bi Tang addresses sinusitis from multiple angles simultaneously. Xin Yi Hua directly opens the congested nasal passages, providing immediate relief. The Ge Gen and Ma Huang pairing releases any lingering exterior pathogen that may be perpetuating the condition. Shi Gao and Da Huang clear the interior Heat that drives the production of yellow discharge, while Yi Yi Ren and Jie Geng drain Dampness and help expel purulent discharge. Chuan Xiong relieves the sinus headaches that commonly accompany sinusitis. This multi-layered approach makes the formula particularly well suited for sinusitis cases where both exterior and interior factors are at play.

Also commonly used for

Nasal Congestion

Chronic nasal obstruction with reduced sense of smell

Rhinitis

Acute or chronic rhinitis with thick nasal discharge

Headaches

Frontal headaches associated with sinus congestion

Reduced Sense Of Smell

Hyposmia or anosmia from nasal congestion

What This Formula Does

Every TCM formula has a specific set of actions — here's what Qing Bi Tang does in the body, explained in both everyday and TCM terms

Therapeutic focus

In practical terms, Qing Bi Tang is primarily used to support these areas of health:

TCM Actions

In TCM terminology, these are the specific therapeutic actions that Qing Bi Tang performs to restore balance in the body:

How It Addresses the Root Cause

TCM doesn't just suppress symptoms — it aims to resolve the underlying imbalance. Here's how Qing Bi Tang works at the root level.

Qing Bi Tang addresses a complex pattern where an external Wind-Cold invasion coexists with interior Damp-Heat lodged in the nasal passages. The disease logic unfolds in two layers. First, Wind-Cold attacks the body's surface, causing the Lung's dispersing function to falter. When the Lung cannot properly spread its Qi, the nasal passages lose their ventilation and become congested. Second, Heat and Dampness accumulate internally, often because the lingering pathogen transforms into Heat over time, or because pre-existing Dampness and Heat were already present before the Wind invasion.

When Damp-Heat brews in the Lung and Yangming (Stomach) channels, it rises upward along these pathways toward the nose and sinuses, where it congeals into thick, yellow, foul-smelling nasal discharge. The Dampness makes the discharge sticky and difficult to expel, while the Heat gives it a yellow color and may cause local swelling or pain. This explains the characteristic presentation: nasal blockage with yellow sticky mucus, reduced sense of smell, sinus headache, and sometimes fatigue from the Dampness weighing the body down.

The formula works because it addresses both layers simultaneously. It releases the Exterior to restore the Lung's dispersing function, while also clearing interior Heat and draining Dampness to resolve the root cause of the nasal congestion. Without addressing both layers, treating only the Exterior would leave the Damp-Heat festering inside, while clearing only the interior Heat would leave the pathogen trapped at the surface.

Formula Properties

Every formula has an inherent temperature, taste, and affinity for specific organs — these properties determine how it interacts with the body

Overall Temperature

Slightly Warm

Taste Profile

Predominantly acrid and slightly bitter, with a sweet undertone. The acrid taste disperses Wind and opens the nasal passages, the bitter taste clears Heat and drains Dampness, and the sweet taste harmonizes the formula.

Channels Entered

Ingredients

13 herbs

The herbs that make up Qing Bi Tang, organized by their role in the prescription

King — Main ingredient driving the formula
Deputy — Assists and enhances the King
Assistant — Supports or moderates other herbs
Envoy — Directs the formula to its target
King — Main ingredient driving the formula
Xin Yi Hua

Xin Yi Hua

Biond’s magnolia flowers

Dosage 6 - 9g
Temperature Warm
Taste Pungent
Organ Affinity Stomach, Lungs
Preparation Wrap in cloth (包煎) to prevent fine hairs from irritating the throat

Role in Qing Bi Tang

The primary herb for opening the nasal passages and unblocking nasal obstruction. Xin Yi Hua has a special affinity for the nose and directly addresses the core complaint of nasal congestion.
Deputies — Assists and enhances the King
Ge Gen

Ge Gen

Kudzu roots

Dosage 9 - 15g
Temperature Cool
Taste Pungent, Sweet
Organ Affinity Spleen, Stomach

Role in Qing Bi Tang

Releases the exterior and muscle layer, generates fluids, and raises clear Yang to the head. Combined with Ma Huang and Sheng Jiang, it forms the exterior-releasing core of the formula derived from Ge Gen Tang.
Ma Huang

Ma Huang

Ephedra

Dosage 3 - 6g
Temperature Warm
Taste Bitter, Pungent
Organ Affinity Urinary Bladder, Lungs

Role in Qing Bi Tang

Opens the Lung Qi, promotes sweating to release exterior Wind-Cold, and assists in opening the nasal passages. Works with Ge Gen to dispel surface pathogens.
Shi Gao

Shi Gao

Gypsum

Dosage 9 - 15g
Temperature Cold
Taste Pungent, Sweet
Organ Affinity Lungs, Stomach
Preparation Crush and decoct first (先煎) for 15-20 minutes

Role in Qing Bi Tang

Clears interior Heat from the Lung and Stomach, directly targeting the Damp-Heat accumulation responsible for yellow, foul-smelling nasal discharge. Its cold nature balances the warm exterior-releasing herbs.
Assistants — Supports or moderates other herbs
Da Huang

Da Huang

Rhubarb

Dosage 3 - 6g
Temperature Cold
Taste Bitter
Organ Affinity Spleen, Stomach, Large Intestine, Liver, Pericardium

Role in Qing Bi Tang

Clears Heat and reduces swelling by draining accumulated Heat downward through the bowels. Works with Shi Gao to purge interior Damp-Heat that drives the production of thick nasal discharge.
Yi Yi Ren

Yi Yi Ren

Job's tears

Dosage 9 - 15g
Temperature Cool
Taste Sweet
Organ Affinity Lungs, Spleen, Stomach

Role in Qing Bi Tang

Drains Dampness and helps eliminate pus, directly addressing the turbid, sticky quality of the nasal discharge. Also supports the Spleen in resolving Dampness.
Jie Geng

Jie Geng

Platycodon roots

Dosage 3 - 6g
Temperature Neutral
Taste Bitter, Pungent
Organ Affinity Lungs

Role in Qing Bi Tang

Opens and raises Lung Qi, helping to drain Dampness and discharge pus from the nasal passages. Also serves as a guide herb directing the formula's action upward to the head and nose.
Chuan Xiong

Chuan Xiong

Szechuan lovage roots

Dosage 3 - 6g
Temperature Warm
Taste Pungent
Organ Affinity Gallbladder, Liver, Pericardium

Role in Qing Bi Tang

Activates Blood circulation and relieves headaches associated with nasal symptoms. Its ascending, dispersing nature carries the formula's action to the head.
Rou Gui

Rou Gui

Cinnamon bark

Dosage 1 - 3g
Temperature Hot
Taste Pungent, Sweet
Organ Affinity Heart, Kidneys, Liver, Spleen

Role in Qing Bi Tang

Warms the interior and dispels Cold, moderating the harsh cold properties of Shi Gao and Da Huang to prevent damage to the Spleen and Stomach. Balances the overall temperature of the formula.
Bai Shao

Bai Shao

White peony roots

Dosage 6 - 9g
Temperature Neutral
Taste Bitter, Sour
Organ Affinity Liver, Spleen

Role in Qing Bi Tang

Harmonizes the nutritive (Ying) and defensive (Wei) levels, nourishes Blood, and balances the pungent, warm exterior-releasing herbs to prevent them from being too dispersing.
Sheng Jiang

Sheng Jiang

Fresh ginger

Dosage 6 - 9g
Temperature Warm
Taste Pungent
Organ Affinity Lungs, Spleen, Stomach

Role in Qing Bi Tang

Assists Ma Huang in releasing the exterior and warms the middle to protect the Stomach from the cold herbs in the formula.
Envoys — Directs the formula to its target
Da Zao

Da Zao

Jujube dates

Dosage 3 - 4 pieces
Temperature Warm
Taste Sweet
Organ Affinity Spleen, Stomach

Role in Qing Bi Tang

Tonifies the Spleen and harmonizes the formula, working with Gan Cao to moderate the actions of the other herbs and protect the digestive system.
Gan Cao

Gan Cao

Liquorice

Dosage 3 - 6g
Temperature Neutral
Taste Sweet
Organ Affinity Heart, Lungs, Spleen, Stomach

Role in Qing Bi Tang

Harmonizes all the herbs in the formula and protects the Stomach. Moderates the harsh properties of the purgative and cold herbs.

Why This Combination Works

How the herbs in Qing Bi Tang complement each other

Overall strategy

Qing Bi Tang addresses a complex pattern where Wind-Cold constrains the exterior while Damp-Heat brews in the interior (the Lung and Stomach). The formula simultaneously releases the exterior, clears interior Heat, drains Dampness, and opens the nasal passages, treating the condition from both the surface and the interior at once.

King herbs

Xin Yi Hua serves as the King herb because it directly targets the primary complaint: nasal obstruction. It has a special tropism for the nose, dispersing Wind-Cold from the nasal passages and restoring airflow. Without Xin Yi Hua, the formula would lack its signature nasal-opening action.

Deputy herbs

Ge Gen and Ma Huang form the exterior-releasing pair, opening the pores and muscle layer to expel Wind-Cold from the surface. Ge Gen also raises clear Yang to the head, helping to relieve sinus heaviness. Shi Gao serves as the interior Heat-clearing Deputy, bringing cold, heavy energy to counteract the Damp-Heat brewing in the Lung and Stomach that produces the yellow, sticky nasal discharge.

Assistant herbs

Da Huang (reinforcing assistant) works with Shi Gao to purge Heat downward, providing an exit route for pathogenic Heat through the bowels. Yi Yi Ren and Jie Geng (reinforcing assistants) drain Dampness and expel pus, addressing the turbid discharge. Chuan Xiong (reinforcing assistant) moves Blood upward to relieve sinus headaches. Rou Gui (restraining assistant) tempers the cold nature of Shi Gao and Da Huang, preventing them from injuring the Spleen Yang. Bai Shao (restraining assistant) nourishes the nutritive level and prevents the warm, dispersing herbs from consuming Yin. Sheng Jiang assists the exterior release while warming the middle.

Envoy herbs

Da Zao and Gan Cao harmonize the entire formula, moderating potential conflicts between the warm exterior-releasing herbs and the cold interior-clearing herbs. They also protect the digestive system from the combined effects of purgation and sweating.

Notable synergies

The Ge Gen and Ma Huang pairing (from Ge Gen Tang) powerfully releases the exterior while raising fluids to the head. The Shi Gao and Da Huang pairing clears Heat from two directions: Shi Gao clears Heat from the Qi level while Da Huang purges it downward. Rou Gui paired with Shi Gao creates a temperature balance that prevents either cold or warm herbs from dominating. Xin Yi Hua combined with Jie Geng creates a strong ascending, opening action specifically directed at the nasal passages.

How to Prepare

Traditional preparation instructions for Qing Bi Tang

Add all herbs to approximately 800ml of water. Bring to a boil, then reduce heat and simmer for 25 to 30 minutes. Strain and divide the decoction into two portions. Take one portion warm after meals, twice daily. Shi Gao (Gypsum) should ideally be decocted first for 15 to 20 minutes before adding the remaining herbs.

Common Modifications

How practitioners adapt Qing Bi Tang for specific situations

Added
Bai Zhi

6-9g, opens nasal passages and relieves frontal and supra-orbital headache

Bai Zhi is a key herb for headaches affecting the forehead and brow area (Yangming channel), and it also has a strong nasal-opening action that reinforces Xin Yi Hua.

Educational content — always consult a qualified healthcare provider or TCM practitioner before using any herbal formula.

Contraindications

Situations where Qing Bi Tang should not be used or requires extra caution

Avoid

Nasal congestion due to pure Wind-Cold without interior Heat (clear, watery discharge with no yellow or sticky quality). Xin Yi San or Cang Er Zi San would be more appropriate.

Avoid

Yin deficiency with Heat signs (dry nose, scanty discharge, night sweats, red tongue with little coating). The acrid dispersing herbs will further damage Yin fluids.

Caution

Patients with profuse sweating or a weak constitution. Ma Huang and Ge Gen are strong Exterior-releasing herbs that can exhaust Qi through excessive sweating.

Caution

Patients with hypertension or cardiovascular conditions. Ma Huang (Ephedra) can raise blood pressure and stimulate the heart.

Caution

Loose stools or Spleen deficiency. Da Huang (Rhubarb) and Shi Gao (Gypsum), both cold in nature, may worsen digestive weakness.

Special Populations

Important considerations for pregnancy, breastfeeding, and pediatric use

Pregnancy

Contraindicated during pregnancy. This formula contains Ma Huang (Ephedra), which stimulates the sympathetic nervous system and may raise blood pressure and heart rate. Da Huang (Rhubarb) is a purgative that can stimulate uterine contractions and promote downward movement of Qi, posing a risk of miscarriage. Both herbs are classified among the traditional pregnancy-prohibited substances. Pregnant women with sinusitis should seek alternative treatment approaches.

Breastfeeding

Use with caution during breastfeeding. Ma Huang (Ephedra) contains ephedrine and pseudoephedrine, which can pass into breast milk and may cause irritability, poor sleep, or elevated heart rate in nursing infants. Da Huang (Rhubarb) contains anthraquinones that may transfer to breast milk and cause loose stools or colic in the infant. If a breastfeeding mother requires treatment for sinusitis, a practitioner should consider modifying the formula or using alternative approaches. Short-term use under professional supervision may be acceptable, but extended use should be avoided.

Children

Not generally recommended for young children under age 6 without professional guidance. Ma Huang (Ephedra) can cause cardiovascular stimulation and is particularly risky in small children. If prescribed for older children (ages 6 and above), dosages should be reduced to approximately one-third to one-half of the adult dose, depending on the child's weight and constitution. The Da Huang (Rhubarb) dose especially should be minimized or removed to avoid diarrhea. A practitioner experienced in pediatric herbal medicine should supervise any use in children.

Drug Interactions

If you are taking pharmaceutical medications, be aware of these potential interactions with Qing Bi Tang

Ma Huang (Ephedra) is the herb of greatest pharmacological concern in this formula. Its active constituent ephedrine may interact with:

  • MAO inhibitors: concurrent use can cause dangerous hypertensive crisis.
  • Stimulant medications (amphetamines, methylphenidate): additive cardiovascular stimulation.
  • Beta-blockers and antihypertensive drugs: Ma Huang may counteract their blood pressure-lowering effect.
  • Cardiac glycosides (digoxin): increased risk of arrhythmia.
  • Theophylline and caffeine: additive stimulant effects and potential for toxicity.

Da Huang (Rhubarb) is a stimulant laxative that may reduce absorption of orally administered medications by accelerating intestinal transit. It may also potentiate the effects of other laxatives or cause electrolyte imbalance (especially potassium loss) when combined with diuretics or corticosteroids.

Gan Cao (Licorice) contains glycyrrhizin, which may interact with corticosteroids, antihypertensives, diuretics, and digoxin by promoting potassium excretion and sodium/water retention.

Usage Guidance

Practical advice for getting the most out of Qing Bi Tang

Best time to take

Warm, with meals, to reduce possible digestive discomfort from Shi Gao and Da Huang. Typically taken twice daily, morning and evening.

Typical duration

Acute use: 5-10 days for active sinus symptoms, then reassess. Chronic sinusitis may require intermittent courses of 2-4 weeks with practitioner supervision.

Dietary advice

Avoid cold and raw foods, iced drinks, and dairy products while taking this formula. Cold foods can impair the Lung's dispersing function and worsen nasal congestion, while dairy tends to increase mucus production. Greasy, fried, and heavily spiced foods should also be limited, as they generate Dampness and Heat. Light, warm, and easily digestible meals are best. Congee with scallions or warm soups can support the formula's Exterior-releasing action. Alcohol should be avoided as it generates Damp-Heat.

Qing Bi Tang originates from Yan Fang (驗方, Time-Tested Formulas), author and date unknown Unknown (classical experiential formula)

Classical Texts

Key passages from the classical Chinese medical texts that first described Qing Bi Tang and its clinical use

This formula originates from Yan Fang (验方, Time-Tested Formulas), a collection of clinically proven formulas of unknown authorship and date. No specific classical passage is preserved from the original source text. However, the formula's design reflects a core principle from the Su Wen:

Original: 「肺开窍于鼻」
Translation: "The Lung opens to the nose."

This foundational concept explains why nasal diseases are primarily treated through the Lung system. Qing Bi Tang applies this principle by using Lung-opening herbs (Ma Huang, Jie Geng) alongside nasal-specific herbs (Xin Yi Hua) and Heat-clearing agents to address Damp-Heat accumulation in the nasal passages.

Historical Context

How Qing Bi Tang evolved over the centuries — its origins, lineage, and place in the broader tradition of Chinese medicine

Qing Bi Tang originates from Yan Fang (验方), which translates as "Time-Tested Formulas" or "Proven Formulas." The author and date of this text are unknown, which is common for collections of empirically validated clinical formulas in the Chinese medical tradition. These yan fang collections represent accumulated bedside experience passed down through generations of practitioners, often without formal attribution to a single author.

The formula's design shows a sophisticated integration of multiple classical strategies. Its core structure draws from the Ge Gen Tang (Pueraria Decoction) framework found in the Shang Han Lun, which uses Ge Gen and Ma Huang to release the Exterior and relax the muscles of the neck and upper back. To this base, the formula adds nasal-specific herbs like Xin Yi Hua (Magnolia Flower), one of the most important herbs in TCM for opening blocked nasal passages, along with Heat-clearing and Dampness-draining agents. The inclusion of both warming herbs (Rou Gui, Sheng Jiang) and cooling herbs (Shi Gao, Da Huang) reflects a balanced approach designed to avoid overcooling the body while still effectively clearing Damp-Heat from the sinuses.

In modern clinical practice, Qing Bi Tang is widely used alongside two companion formulas for differentiating nasal conditions: Cang Er Zi San for Wind-Heat nasal obstruction with yellow discharge, and Xin Yi San for Wind-Cold nasal obstruction with clear white discharge. Qing Bi Tang fills the niche for Damp-Heat nasal obstruction, distinguished by its characteristically thick, sticky, and foul-smelling yellow discharge.