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Formula祛湿剂· 燥湿和胃

平胃散

Píng Wèi Sǎn

Calm the Stomach Powder

The foundational formula for drying dampness and harmonizing the Stomach, composed of cang zhu, hou po, chen pi, and zhi gan cao. Indicated for dampness encumbering the Spleen yang with epigastric glomus and poor appetite. Many subsequent dampness-drying formulas are derived from this base, including Bu Huan Jin Zheng Qi San and Huo Xiang Zheng Qi San.

Source《太平惠民和剂局方》

Treatment Principle

燥湿运脾，行气和胃

Dry dampness and transport in the Spleen; move qi and harmonize the Stomach

Composition · 组成

Herb	Role	Dosage	Notes
苍术Cāng Zhú	君Sovereign	9g	苦温燥湿，健脾运中
厚朴Hòu Pò	臣Minister	6g	行气除满，助苍术化湿
陈皮Chén Pí	佐Assistant	6g	理气化湿，醒脾和胃
甘草Gān Cǎo	使Courier	3g	调和诸药

Treats Patterns · 主治证型

湿阻中焦证

Shī Zǔ Zhōng Jiāo Zhèng

Damp Obstructing the Middle Burner Pattern

Preparation · 煎服法

原方为散剂；现作汤剂水煎服，常加生姜、大枣。

Editor-reviewed· 2026-04-08

PractitionerPatientDate

平胃散Píng Wèi Sǎn

Calm the Stomach Powder

Herb	Pinyin	Role	Dose
苍术	Cāng Zhú	Jun (Sovereign)	9g
厚朴	Hòu Pò	Chen (Minister)	6g
陈皮	Chén Pí	Zuo (Assistant)	6g
甘草	Gān Cǎo	Shi (Courier)	3g

Preparation: 原方为散剂；现作汤剂水煎服，常加生姜、大枣。

This prescription is provided only by the dispensing TCM practitioner. Take as directed; do not modify the dose or share it. If you experience any adverse effect, stop immediately and contact your practitioner. The content of this platform is educational reference, not medical advice.
Bencao Dian · https://bencaodian.org · CC BY-SA 4.0

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Cite this entry

@misc{bencaodian-ping-wei-san,
  author       = {{Bencaodian Editorial}},
  title        = {Píng Wèi Sǎn 平胃散 (Calm the Stomach Powder)},
  year         = {2026},
  howpublished = {Bencao Dian: A Bilingual Knowledge Graph of Traditional Chinese Medicine},
  url          = {https://bencaodian.org/en/formulas/ping-wei-san},
  urldate      = {2026-04-17},
  note         = {CC BY-SA 4.0}
}

Permalink is fixed

Herb

Role

Dosage

Notes

苦温燥湿，健脾运中

行气除满，助苍术化湿

理气化湿，醒脾和胃

调和诸药

Herb

Pinyin

Role

Dose

苍术

Cāng Zhú

Jun (Sovereign)

厚朴

Hòu Pò

Chen (Minister)

陈皮

Chén Pí

Zuo (Assistant)

甘草

Gān Cǎo

Shi (Courier)

@misc{bencaodian-ping-wei-san, author = {{Bencaodian Editorial}}, title = {Píng Wèi Sǎn 平胃散 (Calm the Stomach Powder)}, year = {2026}, howpublished = {Bencao Dian: A Bilingual Knowledge Graph of Traditional Chinese Medicine}, url = {https://bencaodian.org/en/formulas/ping-wei-san}, urldate = {2026-04-17}, note = {CC BY-SA 4.0} }