Xie Qing Wan
Star泻青丸 (Drain the Green Pill)
Source: Xiao Er Yao Zheng Zhi Jue — Qian Yi (1119)
Last updated October 1, 2026
Description
Xie Qing Wan (Drain the Green Pill), from the Xiao Er Yao Zheng Zhi Jue (Craft of Medicinal Treatment for Childhood Disease Patterns) by Qian Yi — a variation of Long Dan Xie Gan Tang.
Actions: Clears Liver heat; Purges Liver fire.
Presentation: Red, swollen and painful eyes, fidgeting, irritability, restlessness, anger, insomnia, dark urine, constipation, surging excess pulse; also acute infantile convulsions, high fever and muscle spasms in some patients.
Composition: Source uses equal amounts; only bracketed decoction doses printed.
Source: Chen JK, Chen TT. Chinese Herbal Formulas and Applications: Pharmacological Effects & Clinical Research. Art of Medicine Press, 2009, p. 376.
Composition
| Herb | Amount | % | Role | Function |
|---|---|---|---|---|
|
Long Dan Cao
bei (stone-baked); as printed: Long Dan (Radix et Rhizoma Gentianae) [3g]
|
3g | 14.29% | Jun (Chief) | — |
|
Zhi Zi
as printed: Zhi Zi (Fructus Gardeniae) [3g]
|
3g | 14.29% | Chen (Deputy) | — |
|
Da Huang
wei (roasted); as printed: Da Huang (Radix et Rhizoma Rhei) [3g]
|
3g | 14.29% | Chen (Deputy) | — |
|
Dang Gui
qie (sliced) and bei (stone-baked); as printed: Dang Gui (Radix Angelicae Sinensis) [3g]
|
3g | 14.29% | Zuo (Assistant) | — |
|
Chuan Xiong
as printed: Chuan Xiong (Rhizoma Chuanxiong) [3g]
|
3g | 14.29% | Zuo (Assistant) | — |
|
Qiang Huo
as printed: Qiang Huo (Rhizoma et Radix Notopterygii) [3g]
|
3g | 14.29% | Zuo (Assistant) | — |
|
Fang Feng
qie (sliced) and bei (stone-baked); as printed: Fang Feng (Radix Saposhnikoviae) [3g]
|
3g | 14.29% | Zuo (Assistant) | — |
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 slightly cool (-0.29)
From 100% of the weighed grams.
Grams by band: cold 43%, warm 57%.
Pairs warm and cool. 57% of the weighed grams are warm or hot and 43% cool or cold — the net is their average, not the whole story.
Taste
- pungent 36%
- sweet 14%
- bitter 50%
From 100% of the weighed grams.
Channels reached
- Liver 71%
- Spleen 43%
- Heart 29%
- Pericardium 29%
- Gallbladder 29%
- Lung 14%
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
Source: grind equal amounts to powder and make large honey pills (about a chicken's head in size); take 0.5-1 pill with brown sugar and a Zhu Ye decoction. Today: small water pills, 6g twice daily with warm boiled water or Zhu Ye decoction, reduced for children; or decocted at bracketed doses.
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Formula family
Full herb lists
- Si Shun Qing Liang Yin Zi = this formula without Zhi Zi + Fang Feng Xiong Gui Tang + Xie Xin Tang + Chai Hu, Che Qian Zi, Chi Shao, Mu Zei, Sang Bai Pi and Zhi Ke
Each entry reads as the larger formula written out: “+” adds its other catalogue cores, then the herbs none of them hold. A catalogue formula counts as a core only when at least 80% of its herbs are present, no more than 1 is absent, and the absent herb is not its chief.
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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