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Formula补益剂· 补气

玉屏风散

Yù Píng Fēng Sǎn

Jade Windscreen Powder

The representative formula for exterior vacuity spontaneous sweating and susceptibility to external pathogens, composed of huang qi, bai zhu, and fang feng. The pairing of huang qi (which secures the exterior) with fang feng (which disperses the exterior) seems contradictory yet is masterful: it secures without trapping pathogens and dispels without damaging the upright.

Source《医方集解》

Treatment Principle

益气固表止汗

Augment qi, stabilize the exterior, and stop sweating

Composition · 组成

Herb	Role	Dosage	Notes
黄芪Huáng Qí	君Sovereign	18g	补益脾肺之气，固表止汗
白术Bái Zhú	臣Minister	9g	健脾益气，助黄芪固表
防风Fáng Fēng	佐Assistant	6g	走表祛风，与黄芪相配，散中有收，不致留邪

Treats Patterns · 主治证型

外感风寒表虚证

Wài Gǎn Fēng Hán Biǎo Xū Zhèng

Wind-Cold Exterior Vacuity Pattern

Preparation · 煎服法

原方为散剂，每服9g。现亦作汤剂水煎服。

Editor-reviewed· 2026-04-17

PractitionerPatientDate

玉屏风散Yù Píng Fēng Sǎn

Jade Windscreen Powder

Herb	Pinyin	Role	Dose
黄芪	Huáng Qí	Jun (Sovereign)	18g
白术	Bái Zhú	Chen (Minister)	9g
防风	Fáng Fēng	Zuo (Assistant)	6g

Preparation: 原方为散剂，每服9g。现亦作汤剂水煎服。

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

Permalink · CC BY-SA 4.0

Cite this entry

@misc{bencaodian-yu-ping-feng-san,
  author       = {{Bencaodian Editorial}},
  title        = {Yù Píng Fēng Sǎn 玉屏风散 (Jade Windscreen Powder)},
  year         = {2026},
  howpublished = {Bencao Dian: A Bilingual Knowledge Graph of Traditional Chinese Medicine},
  url          = {https://bencaodian.org/en/formulas/yu-ping-feng-san},
  urldate      = {2026-04-17},
  note         = {CC BY-SA 4.0}
}

Permalink is fixed

Herb

Role

Dosage

Notes

黄芪Huáng Qí

君Sovereign

18g

补益脾肺之气，固表止汗

健脾益气，助黄芪固表

走表祛风，与黄芪相配，散中有收，不致留邪

Herb

Pinyin

Role

Dose

黄芪

Huáng Qí

Jun (Sovereign)

18g

白术

Bái Zhú

Chen (Minister)

防风

Fáng Fēng

Zuo (Assistant)

@misc{bencaodian-yu-ping-feng-san, author = {{Bencaodian Editorial}}, title = {Yù Píng Fēng Sǎn 玉屏风散 (Jade Windscreen Powder)}, year = {2026}, howpublished = {Bencao Dian: A Bilingual Knowledge Graph of Traditional Chinese Medicine}, url = {https://bencaodian.org/en/formulas/yu-ping-feng-san}, urldate = {2026-04-17}, note = {CC BY-SA 4.0} }