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HerbCynanchi Atrati Radix et Rhizoma

白薇

Bái Wēi

Cynanchum Root

The dried root and rhizome of Cynanchum atratum or C. versicolor (Asclepiadaceae). Cold, bitter and salty, entering the Stomach, Liver, and Kidney channels. Clears deficiency heat, cools the blood, and promotes urination. Effective for yin-vacuity fever and postpartum deficiency fever, as well as urinary tract heat conditions.

Actions · 功效

清热凉血Clear heat and cool the blood
利尿通淋Promote urination and free strangury
解毒疗疮Resolve toxicity and treat sores

Indications · 主治

阴虚发热，产后虚热Yin-vacuity fever and postpartum deficiency fever
热淋血淋Heat strangury and bloody strangury
痈疮肿毒Abscesses and toxic sores

Dosage · 用量

Per day · decoction · non-pregnant adult

5–10 g

Reference range for non-pregnant adults. Not a personalized prescription. Pregnancy, lactation, and pediatric use require specialist supervision.

Draft· 2026-04-16

Footnotes · 引用

[1]Shennong Bencao Jing (Divine Husbandman's Materia Medica)
[2]Mingyi Bielu (Supplementary Records of Famous Physicians)
[3]Bencao Gangmu (Compendium of Materia Medica)

Permalink · CC BY-SA 4.0

Cite this entry

@misc{bencaodian-bai-wei,
  author       = {{Bencaodian Editorial}},
  title        = {Bái Wēi 白薇 (Cynanchum Root) — Cynanchi Atrati Radix et Rhizoma},
  year         = {2026},
  howpublished = {Bencao Dian: A Bilingual Knowledge Graph of Traditional Chinese Medicine},
  url          = {https://bencaodian.org/en/herbs/bai-wei},
  urldate      = {2026-04-16},
  note         = {CC BY-SA 4.0}
}

Permalink is fixed

@misc{bencaodian-bai-wei, author = {{Bencaodian Editorial}}, title = {Bái Wēi 白薇 (Cynanchum Root) — Cynanchi Atrati Radix et Rhizoma}, year = {2026}, howpublished = {Bencao Dian: A Bilingual Knowledge Graph of Traditional Chinese Medicine}, url = {https://bencaodian.org/en/herbs/bai-wei}, urldate = {2026-04-16}, note = {CC BY-SA 4.0} }