Xuan Fei Run Chang Tang
Star宣肺润肠汤 (Disseminate the Lungs and Moisten the Intestines Decoction)
Source: Case Histories of Cheng Men-Xue (2002)
Last updated October 1, 2026
Description
Xuan Fei Run Chang Tang (Disseminate the Lungs and Moisten the Intestines Decoction), from Case Histories of Cheng Men-Xue (2002).
Associated formula of Run Chang Wan.
Actions: Nourishes the blood; Softens the Liver; Moistens dryness; Unblocks the passage of stool
Usage: Constipation with lower abdominal distention, poor appetite, fatigue and muscle twitching; honey-fried zi wan directs Lung qi down to aid Intestinal qi movement.
Category: Formulas that Moisten the Intestines and Unblock the Bowels.
Source: Scheid V, Bensky D, Ellis A, Barolet R. Chinese Herbal Medicine: Formulas & Strategies, 2nd ed. Eastland Press, 2009, p. 81.
Composition
| Herb | Amount | % | Role | Function |
|---|---|---|---|---|
|
Rou Cong Rong
as printed: Cistanches Herba (rou cong rong) 9g
|
9g | 10.99% | — | |
|
Dang Gui
as printed: Angelicae sinensis Radix (dang gui) 9g
|
9g | 10.99% | — | |
|
Huo Ma Ren
as printed: Cannabis Semen (huo ma ren) 9g
|
9g | 10.99% | — | |
|
Bai Shao
as printed: Paeoniae Radix alba (bai shao) 9g
|
9g | 10.99% | — | |
|
Chai Hu
as printed: Bupleuri Radix (chai hu) 3g
|
3g | 3.66% | — | |
|
Zhi Ke
as printed: Aurantii Fructus (zhi ke) 2.4g
|
2.4g | 2.93% | — | |
|
Mei Hua
as printed: Mume Flos (mei hua) 3g
|
3g | 3.66% | — | |
|
Ju He
as printed: Citri reticulatae Semen (ju he) 12g
|
12g | 14.65% | — | |
|
Mu Gua
as printed: Chaenomelis Fructus (mu gua) 3g
|
3g | 3.66% | — | |
|
Ju Ye
as printed: Citri reticulatae Folium (ju ye) 4.5g
|
4.5g | 5.49% | — | |
|
Bai Zi Ren
as printed: Platycladi Semen (bai zi ren) 9g
|
9g | 10.99% | — | |
|
Zi Wan
as printed: honey-fried Asteris Radix (zi wan) 9g
|
9g | 10.99% | — |
Energetics dose-weighted
The formula's overall nature, taste balance and channel reach, weighted by each herb's dose. Classical formulas often pair warm and cool herbs on purpose, so a net figure summarises the mix — it doesn't describe every herb in it.
Nature
Net neutral (+0.19)
From 100% of the weighed grams.
Grams by band: cool 18%, neutral 46%, warm 37%.
Taste
- pungent 17%
- sweet 33%
- sour 12%
- bitter 33%
- salty 6%
From 100% of the weighed grams.
Channels reached
- Liver 53%
- Spleen 40%
- Kidney 37%
- Large intestine 36%
- Heart 22%
- Lung 18%
Share of the grams entering each channel, from 100% of the weighed grams.
Dose-weighted from each herb's recorded nature, taste and channels (missing values are left out, never counted as neutral). It describes the composition — it is not a recommendation.
Preparation
Decoction.
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Match score combines dosage-weighted composition (cosine, 70%) with shared-herb overlap (Jaccard, 30%).
Traditional formula information is for educational purposes only. Herbal formulas should be prescribed by a qualified practitioner — dosages and combinations are individualized and can interact with medications.
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