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The dried leaves of Pyrrosia lingua, P. sheareri, or P. petiolosa (Polypodiaceae). Enters the Lung and Bladder channels. Disinhibits urination and frees strangury, especially effective for stone strangury; also clears Lung heat, stops cough, cools blood, and stops bleeding.
Reference range for non-pregnant adults. Not a personalized prescription. Pregnancy, lactation, and pediatric use require specialist supervision.
Protective guidance only — when to avoid or use with caution. This block deliberately omits pregnancy, lactation, and pediatric dosing: any such use must be managed by a qualified TCM practitioner or appropriate specialist.
味苦，平。主劳热邪气，五癃闭不通，利小便水道。
中品
@misc{bencaodian-shi-wei,
author = {{Bencaodian Editorial}},
title = {Shí Wéi 石韦 (Pyrrosia Leaf) — Pyrrosiae Folium},
year = {2026},
howpublished = {Bencao Dian: A Bilingual Knowledge Graph of Traditional Chinese Medicine},
url = {https://bencaodian.org/en/herbs/shi-wei},
urldate = {2026-04-17},
note = {CC BY-SA 4.0}
}© Bencaodian Editorial · Licensed under CC BY-SA 4.0
石韦富含芒果苷等黄酮碳苷和鞣质，具利尿、抗菌、抗炎、止血和止咳作用。
Shi Wei is rich in xanthone C-glycosides (mangiferin, isomangiferin) and tannins with diuretic, antibacterial, anti-inflammatory, hemostatic, and antitussive effects.
石韦苦甘微寒，利尿通淋，清肺止咳，凉血止血。
Bitter-sweet and slightly cold; promotes urination, clears lung, stops cough, and cools blood to arrest bleeding.
This section is provided for academic reference only and does not constitute medical advice.