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The dried rhizome of Anemarrhena asphodeloides (Asparagaceae). Enters the Lung, Stomach, and Kidney channels. Bitter, sweet, and cold, it clears Lung and Stomach repletion heat in the upper body while enriching Liver and Kidney yin essence below. Paired with shi gao in Bai Hu Tang, it forms the quintessential combination for draining qi-level great heat.
清热泻火之力较强,用于气分实热
引药下行,滋阴降火力胜,善治下焦阴虚火旺
煎服6–12g;清热泻火宜生用,滋阴降火宜盐水炒
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.
脾胃虚寒、大便溏泄者忌用。
性寒质润,脾虚便溏者忌用。久服大量可碍脾助湿。
味苦,寒。主消渴热中,除邪气,肢体浮肿,下水,补不足,益气。
中品
@misc{bencaodian-zhi-mu,
author = {{Bencaodian Editorial}},
title = {Zhī Mǔ 知母 (Anemarrhena Rhizome) — Anemarrhenae Rhizoma},
year = {2026},
howpublished = {Bencao Dian: A Bilingual Knowledge Graph of Traditional Chinese Medicine},
url = {https://bencaodian.org/en/herbs/zhi-mu},
urldate = {2026-04-17},
note = {CC BY-SA 4.0}
}© Bencaodian Editorial · Licensed under CC BY-SA 4.0
知母含知母皂苷及芒果苷等成分,具有解热、降血糖、抗炎、抗菌及神经保护作用,为清热泻火、滋阴润燥之药理依据。
Anemarrhena rhizome contains timosaponins and mangiferin with antipyretic, hypoglycemic, anti-inflammatory, antimicrobial and neuroprotective effects, underlying its heat-clearing, fire-draining and yin-nourishing actions.
Bensky 将知母配石膏清气分实热,配黄柏滋肾降火。
Bensky pairs Zhi Mu with Shi Gao to clear qi-level repletion heat and with Huang Bai to nourish kidney and drain fire.
Chen & Chen 引述知母皂苷 B-II 在阿尔茨海默动物模型中显示神经保护作用。
Chen & Chen cite timosaponin B-II showing neuroprotection in Alzheimer's animal models.
This section is provided for academic reference only and does not constitute medical advice.