Chai Ping Tang
Star柴平汤 (Bupleurum and Calm the Stomach Decoction)
Source: Jing Yue Quan Shu — Zhang Jie-Bin (Zhang Jing-Yue) (Ming, 1624)
Last updated October 1, 2026
Description
Chai Ping Tang (Bupleurum and Calm the Stomach Decoction), from the Jing Yue Quan Shu (Collected Treatises of [Zhang] Jing Yue) by Zhang Jie-Bin (Zhang Jing-Yue) — a variation of Ping Wei San.
Actions: Harmonizes the shaoyang; Harmonizes the Stomach; Dispels dampness.
Presentation: Damp malaria: intermittent chills and fever (more chills than fever), heaviness of body and limbs, general body aches, epigastric distress, nausea, white greasy tongue coating, soggy pulse.
Composition: Xiao Chai Hu Tang combined with Ping Wei San
Source: Chen JK, Chen TT. Chinese Herbal Formulas and Applications: Pharmacological Effects & Clinical Research. Art of Medicine Press, 2009, p. 1071.
Composition
| Herb | Amount | % | Role | Function |
|---|---|---|---|---|
|
Chai Hu
as printed: Chai Hu (Radix Bupleuri) [6g]
|
6g | 12.5% | — | |
|
Ren Shen
as printed: Ren Shen (Radix et Rhizoma Ginseng) [6g]
|
6g | 12.5% | — | |
|
Ban Xia
as printed: Ban Xia (Rhizoma Pinelliae) [6g]
|
6g | 12.5% | — | |
|
Huang Qin
as printed: Huang Qin (Radix Scutellariae) [6g]
|
6g | 12.5% | — | |
|
Gan Cao
as printed: Gan Cao (Radix et Rhizoma Glycyrrhizae) [6g]
|
6g | 12.5% | — | |
|
Chen Pi
as printed: Chen Pi (Pericarpium Citri Reticulatae) [6g]
|
6g | 12.5% | — | |
|
Hou Po
as printed: Hou Po (Cortex Magnoliae Officinalis) [6g]
|
6g | 12.5% | — | |
|
Cang Zhu
as printed: Cang Zhu (Rhizoma Atractylodis) [6g]
|
6g | 12.5% | — |
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 (+0.25)
From 100% of the weighed grams.
Grams by band: cold 13%, cool 13%, neutral 13%, warm 63%.
Pairs warm and cool. 63% of the weighed grams are warm or hot and 25% cool or cold — the net is their average, not the whole story.
Taste
- pungent 38%
- sweet 19%
- bitter 44%
From 100% of the weighed grams.
Channels reached
- Spleen 88%
- Lung 75%
- Stomach 63%
- Heart 38%
- Large intestine 25%
- Gallbladder 25%
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
Decoct with Sheng Jiang and Da Zao. Source text gives no doses; bracketed doses are the authors' suggestions.
Relationships
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Formula family
Full herb lists
- This formula = Da Ban Xia Tang + Cang Zhu, Chai Hu, Chen Pi, Gan Cao, Hou Po and Huang Qin
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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