Bu Huan Jin Zheng Qi San
Star不换金正气散 (Rectify the Qi Powder Worth More than Gold)
Source: Tai Ping Hui Min He Ji Ju Fang — Imperial Medical Department (Song, 1078)
Last updated October 1, 2026
Description
Bu Huan Jin Zheng Qi San (Rectify the Qi Powder Worth More than Gold), from the Tai Ping Hui Min He Ji Ju Fang (Imperial Grace Formulary of the Tai Ping Era) by Imperial Medical Department.
Actions: Activates qi and resolves dampness; Harmonizes the Stomach and stops vomiting.
Presentation: Damp accumulation in the middle jiao: vomiting, diarrhea, fever and chills, abdominal fullness and distention, and urgent conditions such as sudden turmoil disorder.
Composition: Ping Wei San plus Huo Xiang and Ban Xia (equal amounts)
Cautions:
- Warm and drying: use with caution in yin or blood deficiency.
- Avoid raw, cold, oily or greasy foods while taking it.
Source: Chen JK, Chen TT. Chinese Herbal Formulas and Applications: Pharmacological Effects & Clinical Research. Art of Medicine Press, 2009, p. 1075.
Composition
| Herb | Amount | % | Role | Function |
|---|---|---|---|---|
|
Cang Zhu
as printed: Cang Zhu (Rhizoma Atractylodis)
|
g | — | Jun (Chief) | bitter, drying, warm: strongly dries dampness and strengthens the Spleen |
|
Chinese giant-hyssop
as printed: Huo Xiang (Herba Agastaches)
|
g | — | Jun (Chief) | aromatic: activates qi, dispels dampness, harmonizes the Stomach, relieves nausea and vomiting |
|
Hou Po
as printed: Hou Po (Cortex Magnoliae Officinalis)
|
g | — | Chen (Deputy) | activates qi, dispels dampness, relieves fullness |
|
Chen Pi
as printed: Chen Pi (Pericarpium Citri Reticulatae)
|
g | — | Zuo (Assistant) | regulates qi and relieves stagnation |
|
Ban Xia
as printed: Ban Xia (Rhizoma Pinelliae)
|
g | — | Zuo (Assistant) | dries dampness, redirects Stomach qi downward |
|
Gan Cao
as printed: Gan Cao (Radix et Rhizoma Glycyrrhizae)
|
g | — | Shi (Envoy) | harmonizes the herbs |
Preparation
Source text: equal amounts powdered; cook 9g with 3 slices Sheng Jiang and 2 Da Zao in 1.5 bowls water to 80%; take hot before meals. Today: 3-6g powder with Sheng Jiang/Da Zao decoction.
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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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