Gui Zhi Er Yue Bi Yi Tang
Star桂枝二越婢一汤 (Two-Parts Cinnamon Twig Decoction and One-Part Maidservant from Yue's Decoction)
Source: Discussion of Cold Damage (c. 220)
Last updated October 1, 2026
Description
Gui Zhi Er Yue Bi Yi Tang (Two-Parts Cinnamon Twig Decoction and One-Part Maidservant from Yue's Decoction), from Discussion of Cold Damage (c. 220).
Associated formula of Gui Zhi Tang.
Actions: Induces sweating; Clears interior heat
Indications: Persistent, constrained exterior disorder with mild interior heat: fever and chills (fever predominant), thirst, slight irritability, and a floating, big, forceful pulse.
Usage: Lingering exterior disorder turned constrained with mild interior heat.
Category: Formulas that Release Exterior Wind-Cold.
Source: Scheid V, Bensky D, Ellis A, Barolet R. Chinese Herbal Medicine: Formulas & Strategies, 2nd ed. Eastland Press, 2009, p. 19.
Composition
| Herb | Amount | % | Role | Function |
|---|---|---|---|---|
|
Gui Zhi
as printed: Cinnamomi Ramulus (gui zhi) 3g
|
3g | 16.67% | — | |
|
Bai Shao
as printed: Paeoniae Radix alba (bai shao) 3g
|
3g | 16.67% | — | |
|
Ma Huang
as printed: Ephedrae Herba (ma huang) 3g
|
3g | 16.67% | — | |
|
Gan Cao
as printed: Glycyrrhizae Radix preparata (zhi gan cao) 3g
|
3g | 16.67% | — | |
|
Sheng Jiang
as printed: Zingiberis Rhizoma recens (sheng jiang) 3g
|
3g | 16.67% | — | |
|
Shi Gao
as printed: Gypsum fibrosum (shi gao) 3g
|
3g | 16.67% | — | |
|
Da Zao
as printed: Jujubae Fructus (da zao) 4 pieces
|
4pieces | 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 neutral (0.00)
From 100% of the weighed grams.
Grams by band: cold 17%, cool 17%, neutral 17%, warm 50%.
Pairs warm and cool. 50% of the weighed grams are warm or hot and 33% cool or cold — the net is their average, not the whole story.
Taste
- pungent 42%
- sweet 33%
- sour 8%
- bitter 17%
From 100% of the weighed grams.
Channels reached
- Lung 83%
- Stomach 50%
- Spleen 50%
- Heart 33%
- Liver 17%
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.
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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.
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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