Loading
New to this? Read about Four Natures & Five Flavors and Channel Tropism
The dried tuber of Bletilla striata (Orchidaceae). Enters the Lung, Liver, and Stomach channels. Bitter, sweet, astringent, and cool, it is the key herb for astringent hemostasis and wound healing, with particular efficacy for Lung and Stomach hemorrhage. Combined with san qi for hemoptysis, it is extensively used in modern practice for peptic ulcer bleeding, pulmonary tuberculosis cavitary hemoptysis, and surgical hemostasis.
长于收敛止血、消肿生肌，为主要炮制品
内服6–15g；研末吞服每次3–6g。外用适量，研末涂敷。因其含黏液质，入汤剂易糊，宜研粉冲服或另煎。
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.
不宜与乌头类药物（川乌、草乌、附子）同用（十八反）。外感咳血、肺痈初起脓未成及实热壅肺者不宜。
含大量黏液质，可形成保护膜，护肺胃黏膜。不宜与乌头类药物同用（十八反）。实证、热证出血初起慎用。现代用于肺结核、胃溃疡出血及外科创口愈合。
味苦，平。主痈肿恶疮败疽，伤阴死肌，胃中邪气，贼风鬼击，痱缓不收。
下品
@misc{bencaodian-bai-ji,
author = {{Bencaodian Editorial}},
title = {Bái Jí 白及 (Bletilla Rhizome) — Bletillae Rhizoma},
year = {2026},
howpublished = {Bencao Dian: A Bilingual Knowledge Graph of Traditional Chinese Medicine},
url = {https://bencaodian.org/en/herbs/bai-ji},
urldate = {2026-04-17},
note = {CC BY-SA 4.0}
}© Bencaodian Editorial · Licensed under CC BY-SA 4.0
白及的主要活性成分为白及多糖（甘露聚糖）及联苄、菲类化合物，具有止血、促进肉芽组织生长、抗菌及局部黏膜保护作用。
Bletillae Rhizoma contains bletilla glucomannan, bibenzyl and phenanthrene derivatives, with hemostatic, granulation-promoting, antimicrobial, and mucosal-protective activity.
《中药学》（Bensky）记载白及曾在中国临床用于支气管扩张咯血及消化性溃疡出血，部分小样本研究显示良好止血效果。
Bensky documents use in China for bronchiectasis-related hemoptysis and peptic ulcer bleeding, with small clinical series reporting effective hemostasis.
陈氏药理学提到白及不可与乌头类同用（十八反），并注意其黏稠性可能影响其他药物吸收。
Chen & Chen note the 'eighteen incompatibilities' proscription against combining with Aconitum species and caution that its mucilage may affect absorption of co-administered drugs.
This section is provided for academic reference only and does not constitute medical advice.