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The dried whole plant of Spirodela polyrrhiza (Lemnaceae). Cold and pungent, entering the Lung channel. Light and floating in nature, it excels at disseminating wind-heat, venting rashes, and stopping itch; also promotes urination to reduce edema. Effective for wind-heat exterior patterns, incomplete measles eruption, and urticaria.
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.
味辛，寒。主暴热身痒，下水气，胜酒长须发，止消渴。久服轻身。
中品
@misc{bencaodian-fu-ping,
author = {{Bencaodian Editorial}},
title = {Fú Píng 浮萍 (Duckweed) — Spirodelae Herba},
year = {2026},
howpublished = {Bencao Dian: A Bilingual Knowledge Graph of Traditional Chinese Medicine},
url = {https://bencaodian.org/en/herbs/fu-ping},
urldate = {2026-04-17},
note = {CC BY-SA 4.0}
}© Bencaodian Editorial · Licensed under CC BY-SA 4.0
浮萍含黄酮、钾盐及多糖，具发汗、利尿、解热和抗炎作用。
Fu Ping contains flavonoids, potassium salts, and polysaccharides with diaphoretic, diuretic, antipyretic, and anti-inflammatory effects.
浮萍辛寒，发汗解表，透疹利尿。
Acrid-cold; induces sweating, releases the exterior, vents rashes, and promotes urination.
This section is provided for academic reference only and does not constitute medical advice.