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The dried sclerotium of the fungus Poria cocos (Polyporaceae). Enters the Heart, Spleen, and Kidney channels. Sweet, bland, and neutral, it promotes urination and percolates dampness without injuring upright qi, making it an ideal Spleen-fortifying diuretic. Paired with bai zhu for synergistic Spleen-strengthening and dampness-draining action in Si Jun Zi Tang and Ling Gui Zhu Gan Tang.
健脾利湿之功通用
利水渗湿、清热之力较强
宁心安神之力尤佳
专于利水消肿
煎服9–15g，大剂量可用至30g。茯苓皮偏于利水消肿；茯神偏于宁心安神；赤茯苓偏于清热利湿。
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.
虚寒精滑、气虚下陷者忌用。阴虚津亏者慎用。
药性平和，为补脾利湿之佳品，一般无毒副作用。虚寒精滑、气虚下陷者慎用。现代研究显示本品安全范围广。
味甘，平。主胸胁逆气，忧恚惊邪恐悸，心下结痛，寒热烦满咳逆，口焦舌干，利小便。久服安魂养神，不饥延年。
上品
@misc{bencaodian-fu-ling,
author = {{Bencaodian Editorial}},
title = {Fú Líng 茯苓 (Poria) — Poria},
year = {2026},
howpublished = {Bencao Dian: A Bilingual Knowledge Graph of Traditional Chinese Medicine},
url = {https://bencaodian.org/en/herbs/fu-ling},
urldate = {2026-04-17},
note = {CC BY-SA 4.0}
}© Bencaodian Editorial · Licensed under CC BY-SA 4.0
茯苓主含 β-葡聚糖（茯苓多糖）与羊毛甾烷型三萜酸（茯苓酸），药理示其利尿、免疫调节、抗肿瘤、镇静及保肝作用。
Fuling contains beta-1,3-glucan (pachyman) and lanostane triterpenoid acids (pachymic acid); pharmacology shows diuretic, immunomodulatory, antitumor, sedative and hepatoprotective effects.
《中国药典》以茯苓酸含量作为质量评价指标。
Chinese Pharmacopoeia uses pachymic acid content as quality marker.
四君子汤、五苓散等经典方均以茯苓为核心利水渗湿药。
Core diuretic-dampness herb in classical formulas such as Si Jun Zi Tang and Wu Ling San.
性平和缓，适用面广，虚实皆宜，长期使用安全性良好。
Mild and neutral; suitable across vacuity and repletion patterns with good long-term safety.
This section is provided for academic reference only and does not constitute medical advice.