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The dried bulb of Allium macrostemon or A. chinense (Liliaceae). Enters the Heart, Lung, Stomach, and Large Intestine channels. Pungent, bitter, and warm, it is the key herb for freeing yang and dissipating binds in chest bi, best known as the principal ingredient of Zhang Zhongjing's Gualou Xiebai formulas.
常规用法，通阳散结
煎服5–10g。
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.
气虚多汗者慎用。
常规剂量安全。过量可致胃肠不适。
胸痹之病，喘息咳唾，胸背痛，短气，寸口脉沉而迟，关上小紧数，栝楼薤白白酒汤主之。
@misc{bencaodian-xie-bai,
author = {{Bencaodian Editorial}},
title = {Xiè Bái 薤白 (Chinese Chive Bulb) — Allii Macrostemonis Bulbus},
year = {2026},
howpublished = {Bencao Dian: A Bilingual Knowledge Graph of Traditional Chinese Medicine},
url = {https://bencaodian.org/en/herbs/xie-bai},
urldate = {2026-04-16},
note = {CC BY-SA 4.0}
}© Bencaodian Editorial · Licensed under CC BY-SA 4.0
薤白含有机硫化物（大蒜素、二烯丙基二硫醚）和甾体皂苷，具有扩张冠脉、抗血小板聚集、降血脂及抗菌作用，与其通阳散结、治胸痹心痛功效相对应。
Xiebai contains organosulfur compounds (allicin, diallyl disulfide) and steroidal saponins with coronary vasodilatory, antiplatelet, lipid-lowering, and antibacterial effects, corresponding to its classical use for chest bi and heart pain.
薤白为仲景栝楼薤白诸方主药，治疗胸痹心痛的经典代表。
Bensky highlights Xiebai as the key herb in Zhang Zhongjing's Gualou Xiebai formulas for chest bi.
This section is provided for academic reference only and does not constitute medical advice.