Si Wu Xiao Feng Yin
Star四物消风饮 (Eliminate Wind Drink with the Four Substances)
Source: Yi Zong Jin Jian (1742)
Last updated October 1, 2026
Description
Si Wu Xiao Feng Yin (Eliminate Wind Drink with the Four Substances), from Golden Mirror of the Medical Tradition (1742).
Associated formula of Xiao Feng San.
Actions: Nourishes the blood; Expels wind
Indications: Rashes (such as urticaria and psoriasis) from wind-dampness.
Pattern: Wind-dampness rash with blood involvement
Usage: For wind-damp rashes such as urticaria and psoriasis; stresses moistening and invigorating the blood more than the principal formula.
Category: Formulas that Dredge and Disperse External Wind.
Source: Scheid V, Bensky D, Ellis A, Barolet R. Chinese Herbal Medicine: Formulas & Strategies, 2nd ed. Eastland Press, 2009, p. 638.
Composition
| Herb | Amount | % | Role | Function |
|---|---|---|---|---|
|
Sheng Di Huang
as printed: Rehmanniae Radix (sheng di huang) 9g
|
9g | 20.83% | — | |
|
Dang Gui
as printed: Angelicae sinensis Radix (dang gui) 6g
|
6g | 13.89% | — | |
|
Jing Jie
as printed: Schizonepetae Herba (jing jie) 4.5g
|
4.5g | 10.42% | — | |
|
Fang Feng
as printed: Saposhnikoviae Radix (fang feng) 4.5g
|
4.5g | 10.42% | — | |
|
Chi Shao
as printed: Paeoniae Radix rubra (chi shao) 3g
|
3g | 6.94% | — | |
|
Chuan Xiong
as printed: Chuanxiong Rhizoma (chuan xiong) 3g
|
3g | 6.94% | — | |
|
Bai Xian Pi
as printed: Dictamni Cortex (bai xian pi) 3g
|
3g | 6.94% | — | |
|
Chan Tui
as printed: Cicadae Periostracum (chan tui) 3g
|
3g | 6.94% | — | |
|
Bo He
as printed: Menthae haplocalycis Herba (bo he) 3g
|
3g | 6.94% | — | |
|
Du Huo
as printed: Angelicae pubescentis Radix (du huo) 2.1g
|
2.1g | 4.86% | — | |
|
Chai Hu
as printed: Bupleuri Radix (chai hu) 2.1g
|
2.1g | 4.86% | — | |
|
Da Zao
as printed: Jujubae Fructus (da zao) 2 pieces
|
2pieces | 100% | — |
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 (-0.42)
From 100% of the weighed grams.
Grams by band: cold 35%, cool 19%, warm 47%.
Pairs warm and cool. 47% of the weighed grams are warm or hot and 54% cool or cold — the net is their average, not the whole story.
Small but decisive: Bai Xian Pi 3g (cold, 7% of the grams), Chan Tui 3g (cold, 7% of the grams). Dose weighting nearly cancels a herb this small, but it may be what the formula is for.
Taste
- pungent 41%
- sweet 26%
- sour 4%
- bitter 26%
- salty 4%
From 100% of the weighed grams.
Channels reached
- Liver 93%
- Heart 35%
- Spleen 31%
- Kidney 26%
- Lung 24%
- Pericardium 12%
Share of the grams entering each channel, from 100% of the weighed grams.
1 herb without a dose in grams, so left out of every figure above: Da Zao.
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.
Relationships
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Formula family
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.
Formula Network
Formulas that share herbs with this one — the closer to the centre, the stronger the match. Click a node to explore.
Similar Formulas by composition
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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