Jia Wei Ping Wei San
Star加味平胃散 (Modified Calm the Stomach Powder)
Source: Yan Fang — unknown
Last updated October 1, 2026
Description
Jia Wei Ping Wei San (Modified Calm the Stomach Powder), from the Yan Fang (Time-Tested Formulas) by unknown.
Actions: Strengthens the Spleen and Stomach; Harmonizes the middle jiao; Relieves food stagnation.
Presentation: Damp accumulation in the Spleen and Stomach: indigestion, sensations of oppression in the chest, abdominal pain, nausea, vomiting, diarrhea, postpartum abdominal fullness and distention with nausea and vomiting.
Source: Chen JK, Chen TT. Chinese Herbal Formulas and Applications: Pharmacological Effects & Clinical Research. Art of Medicine Press, 2009, p. 1072.
Composition
| Herb | Amount | % | Role | Function |
|---|---|---|---|---|
|
Shan Zha
as printed: Shan Zha (Fructus Crataegi)
|
g | — | improves digestion; eliminates fatty/greasy food stagnation | |
|
Mai Ya
as printed: Mai Ya (Fructus Hordei Germinatus)
|
g | — | improves digestion; clears starch food stagnation | |
|
Chen Pi
as printed: Chen Pi (Pericarpium Citri Reticulatae)
|
g | — | promotes qi circulation, aids digestion, dispels dampness | |
|
Qing Pi
as printed: Qing Pi (Pericarpium Citri Reticulatae Viride)
|
g | — | promotes qi circulation, aids digestion, dispels dampness | |
|
Chuan Xiong
as printed: Chuan Xiong (Rhizoma Chuanxiong)
|
g | — | promotes blood circulation to prevent stasis | |
|
Cang Zhu
as printed: Cang Zhu (Rhizoma Atractylodis)
|
g | — | dries dampness, strengthens Spleen and Stomach | |
|
Hou Po
as printed: Hou Po (Cortex Magnoliae Officinalis)
|
g | — | dries dampness, activates qi | |
|
Sha Ren
as printed: Sha Ren (Fructus Amomi)
|
g | — | dries dampness, activates qi | |
|
Xiang Fu
as printed: Xiang Fu (Rhizoma Cyperi)
|
g | — | regulates qi and relieves pain | |
|
Sheng Jiang
as printed: Sheng Jiang (Rhizoma Zingiberis Recens)
|
g | — | harmonizes the Spleen and Stomach | |
|
Gan Cao
as printed: Gan Cao (Radix et Rhizoma Glycyrrhizae)
|
g | — | harmonizes the herbs |
Preparation
Unavailable (as stated in the book).
Relationships
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Formula family
Full herb lists
- This formula = Ping Wei San without Da Zao + Chuan Xiong, Mai Ya, Qing Pi, Sha Ren, Shan Zha and Xiang Fu
- This formula = Ju Pi Tang + Ping Wei San + Chuan Xiong, Mai Ya, Qing Pi, Sha Ren, Shan Zha and Xiang Fu
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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