Chinese: 宣痹汤
Pinyin: Xuān Bì Tāng
Other names: Disband Painful Obstruction Decoction
Number of ingredients: 9 herbs
Formula category: Formulas that dispel Wind-Damp
- Clears and resolves Damp-Heat
- Unblocks the meridians
- Disbands painful obstruction
Source date: 1798 AD
Source book: Systematic Differentiation of Warm Pathogen Diseases
The information provided here is not a replacement for a doctor. You shouldn't use it for the purpose of self-diagnosing or self-medicating but rather so you can have a more informed discussion with a professional TCM practitioner.
Xuan Bi Tang is a 9-ingredient Chinese Medicine formula with Stephania Roots (Fang Ji) as a principal ingredient.
Invented in 1798 AD, it belongs to the category of formulas that dispel Wind-Damp. Its main actions are: 1) clears and resolves Damp-Heat and 2) unblocks the meridians.
On this page, after a detailed description of each of the nine ingredients in Xuan Bi Tang, we review the patterns and conditions that Xuan Bi Tang helps treat.
The nine ingredients in Xuan Bi Tang
Fang Ji is a king ingredient in Xuan Bi Tang. Like the name indicates, it means it has more power than other ingredients in the formula.
1. Stephania Roots (Fang Ji)
Part used: Dried root
Nature: Cold
Taste(s): Bitter
Meridian affinity: BladderLung
Category: Herbs that clear Heat and dry Dampness
Fang Ji dispels Damp-Heat in the Upper Burner by venting the Heat externally. At the same time, it disperses superficial swelling and drains Damp-Heat through the urine. It also has some ability to dry Dampness and strengthen the Spleen, which helps resolve the underlying cause of this condition.
Xing Ren is a deputy ingredient in Xuan Bi Tang. This means it helps the king ingredient(s) treat the main pattern or it serves to treat a coexisting pattern.
2. Apricot Seeds (Xing Ren)
Part used: Dried ripe seeds
Nature: Warm
Meridian affinity: Large intestineLung
Category: Herbs that relieve coughing and wheezing
In general Xing Ren's main actions are as follows: "Stops cough and wheezing caused by either Heat or Cold. Lubricates the Intestines and relieves constipation."
In the context of Xuan Bi Tang, it is used because it regulates the Lungs' function in water metabolism.
Yi Yi Ren is a deputy ingredient in Xuan Bi Tang. This means it helps the king ingredient(s) treat the main pattern or it serves to treat a coexisting pattern.
3. Job's Tears (Yi Yi Ren)
Part used: Dried ripe kernel
Nature: Cool
Taste(s): Sweet
Meridian affinity: LungSpleenStomach
Category: Herbs that drain Dampness
Yi Yi Ren works together with Silkworm feces (Can Sha) to strengthen the Spleen, resolve Dampness, and treat painful obstruction.
Can Sha is a deputy ingredient in Xuan Bi Tang. This means it helps the king ingredient(s) treat the main pattern or it serves to treat a coexisting pattern.
4. Silkworm Feces (Can Sha)
Part used: The feces of the worm, dried
Nature: Warm
Meridian affinity: SpleenStomachLiver
Category: Herbs that dispel Wind and Dampness
In general Can Sha's main actions are as follows: "Dispels Wind and eliminates Dampness. Harmonizes the Stomach and transforms turbid Dampness."
Ban Xia is an assistant ingredient in Xuan Bi Tang. This means that it either serves to reinforces the effect of other ingredients or it moderates their toxicity.
5. Crow-Dipper Rhizomes (Ban Xia)
Part used: Dried rhizome and tuber
Nature: Warm
Taste(s): Pungent
In general Ban Xia's main actions are as follows: "Drains Dampness and reduces Phlegm. Reverses the flow of Rebellious Qi. Reduces hardenings and relieves distention."
In the context of Xuan Bi Tang, it is used because it dries Dampness and transforms turbidity.
Lian Qiao is an assistant ingredient in Xuan Bi Tang. This means that it either serves to reinforces the effect of other ingredients or it moderates their toxicity.
6. Forsythia Fruits (Lian Qiao)
In general Lian Qiao's main actions are as follows: "Expels Heat and toxicity from the Blood. Dispels External Wind-Heat. Reduces lumps, swollen lymph nodes and sores of a Heated nature."
In the context of Xuan Bi Tang, it is used because it is very effective in clearing relatively superficial Heat.
Zhi Zi is an assistant ingredient in Xuan Bi Tang. This means that it either serves to reinforces the effect of other ingredients or it moderates their toxicity.
7. Cape Jasmine Fruits (Zhi Zi)
Part used: Dried ripe fruit
Nature: Cold
Taste(s): Bitter
Meridian affinity: GallbladderHeartLungSanjiao
Category: Herbs that clear Heat and purge Fire and/or clear Summer Heat
Zhi Zi works together with Talc (Hua Shi) and Adzuki beans (Chi Xiao Dou), other assistants in this formula, to assist the key herb (Stephania root, Han Fang Ji) in clearing Heat and draining Dampness through the urine.
Hua Shi is an assistant ingredient in Xuan Bi Tang. This means that it either serves to reinforces the effect of other ingredients or it moderates their toxicity.
8. Talc (Hua Shi)
Part used: The mineral itself
Nature: Cold
Taste(s): Sweet
Meridian affinity: BladderStomach
Category: Herbs that drain Dampness
In general Hua Shi's main actions are as follows: "Encourages urination. Expels Damp-Heat from the Urinary Bladder. Dispels Summer Heat. Dries Dampness when applied topically."
Chi Xiao Dou is an assistant ingredient in Xuan Bi Tang. This means that it either serves to reinforces the effect of other ingredients or it moderates their toxicity.
9. Adzuki Beans (Chi Xiao Dou)
Part used: Dried ripe fruits
Nature: Neutral
Meridian affinity: HeartSmall intestine
Category: Herbs that drain Dampness
In general Chi Xiao Dou's main actions are as follows: "Expels dampness by facilitating urination. Activates Blood circulation and detoxifies. Reduces swelling and expels pus."
Conditions and patterns for which Xuan Bi Tang may be prescribed
'Heat' as a body pattern in Chinese Medicine is one of the so-called "Eight Principles". Learn more about Heat pattern in Chinese Medicine
Heat invading the Channels joints and muscles
Pulse type(s): Rapid (Shu), Slippery (Hua)
Symptoms: Fever Thirst Anxiety Joints pain Joint stiff Swollen joints Aversion to wind Joints red and hot
Xuan Bi Tang is sometimes prescribed by TCM practitioners to treat Heat invading the Channels joints and muscles. This pattern leads to symptoms such as joints pain, joints red and hot, fever and thirst. Patients with Heat invading the Channels joints and muscles typically exhibit rapid (Shu) or slippery (Hua) pulses.
It is a type of the Painful Obstruction Syndrome (Bi Syndrome 痹证).
When Pernicious Influences such as Wind, Damp or Cold or Heat penetrates the Defensive Qi and obstructs the Channels, they disturb the normal Qi and Blood circulation of the Channels and give rise to pain and swollen.
If the... read more about Heat invading the Channels joints and muscles
'Heat' as a body pattern in Chinese Medicine is one of the so-called "Eight Principles". Learn more about Heat pattern in Chinese Medicine
Painful Obstruction due to Damp Heat in Channels
Tongue coating: Yellow coating
Symptoms: Fever Shaking chills Reduced mobility Scanty and dark urine Heat and pain in the joints Lusterless and yellow complexion
Xuan Bi Tang is sometimes prescribed by TCM practitioners to treat Painful Obstruction due to Damp Heat in Channels. This pattern leads to symptoms such as heat and pain in the joints, reduced mobility, fever and shaking chills. Patients with Painful Obstruction due to Damp Heat in Channels typically exhibit a tongue with yellow coating
Learn more about Painful Obstruction due to Damp Heat in Channels
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