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长于宣肺散邪，用于外感新咳
增强润肺止咳之功，用于肺虚久咳
煎服5–10g；外感风寒生用，内伤肺虚蜜炙用。
本平台仅供学术参考，不构成医疗建议。
紫菀含紫菀酮、三萜皂苷及紫菀环肽等成分，具有祛痰、镇咳、抗菌及抗肿瘤的药理活性，为润肺下气止咳的依据。
Aster tataricus root contains shionone, triterpenoid saponins and astin cyclopeptides with expectorant, antitussive, antimicrobial and preclinical antitumor activities, underlying its lung-moistening and cough-stopping actions.
Bensky 指出紫菀性温润而不燥，寒热咳嗽皆可配伍使用。
Bensky notes Zi Wan is warming and moistening without being drying, suitable in both cold and hot cough patterns when properly combined.
《中国药典》以紫菀酮为含量测定指标。
The Chinese Pharmacopoeia uses shionone as the assay marker.
本部分信息仅供学术参考，不构成医疗建议。
阴虚火旺、肺热咳血者慎用（需与清肺润燥药同用，不宜单用）。实热壅肺者不宜单用。
性质温润平和，寒热咳嗽皆可配伍，但单用力薄，常与款冬花相须为用。含微量吡咯里西啶生物碱，不宜长期大量服用。
味苦，温。主咳逆上气，胸中寒热结气，去蛊毒，痿蹶，安五脏。
中品
@misc{bencaodian-zi-wan,
author = {{Bencaodian Editorial}},
title = {Zǐ Wǎn 紫菀 (Aster Root) — Asteris Radix et Rhizoma},
year = {2026},
howpublished = {Bencao Dian: A Bilingual Knowledge Graph of Traditional Chinese Medicine},
url = {https://bencaodian.org/zh/herbs/zi-wan},
urldate = {2026-04-09},
note = {CC BY-SA 4.0}
}