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理气和胃，散寒止痛
引药入肾，增强温肾散寒止痛之功，多用于寒疝
煎服3–6g；外用适量，研末调敷或炒热布包熨患处。
For educational reference only — not medical advice.
小茴香挥发油以反式茴香脑为主，具有促进胃肠蠕动、解痉、驱风、抗菌及轻度雌激素样作用，契合散寒止痛、理气和胃之功。
Fennel volatile oil, dominated by trans-anethole, exhibits prokinetic, antispasmodic, carminative, antimicrobial and mild estrogenic effects, matching its role in warming the middle and regulating qi.
WHO 专论收录茴香用于消化不良和婴儿绞痛，临床试验支持其功效。
WHO monograph includes fennel for dyspepsia and infantile colic with supportive clinical trial data.
Brinker 提示茴香脑具有弱雌激素样作用，孕妇大剂量应慎用。
Brinker notes anethole's weak estrogenic activity; large doses during pregnancy warrant caution.
This section is provided for academic reference only and does not constitute medical advice.
阴虚火旺者忌用。本品辛温，实热证者不宜。
现代研究毒性甚低。注意与大茴香（八角茴香，Illicium verum）区分：大茴香为木兰科八角的干燥果实，香气更烈，亦能温中散寒，但本品（小茴香）为伞形科茴香的干燥果实，作用更偏理气暖肝。
治肾经虚寒，小腹疼痛，阴核肿胀，及寒疝偏坠，宜用小茴香、川楝子、木香、吴茱萸等分为末，酒糊为丸。
@misc{bencaodian-xiao-hui-xiang,
author = {{Bencaodian Editorial}},
title = {Xiǎo Huí Xiāng 小茴香 (Fennel Fruit) — Foeniculi Fructus},
year = {2026},
howpublished = {Bencao Dian: A Bilingual Knowledge Graph of Traditional Chinese Medicine},
url = {https://bencaodian.org/en/herbs/xiao-hui-xiang},
urldate = {2026-04-09},
note = {CC BY-SA 4.0}
}