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The dried aerial part or root of Cirsium japonicum (Asteraceae). Enters the Heart and Liver channels. Sweet, bitter, and cool, it is similar to Xiaoji but with stronger hemostatic action, especially for hematemesis and flooding/spotting.
凉血止血
增强止血力
煎服5–15g。鲜品加倍。外用适量捣敷。
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.
脾胃虚寒、无实热者慎用。
常规剂量安全。
大蓟根主养精保血，主崩中。
@misc{bencaodian-da-ji-cao,
author = {{Bencaodian Editorial}},
title = {Dà Jì 大蓟 (Japanese Thistle) — Cirsii Japonici Herba},
year = {2026},
howpublished = {Bencao Dian: A Bilingual Knowledge Graph of Traditional Chinese Medicine},
url = {https://bencaodian.org/en/herbs/da-ji-cao},
urldate = {2026-04-16},
note = {CC BY-SA 4.0}
}© Bencaodian Editorial · Licensed under CC BY-SA 4.0
大蓟含蓟黄素、刺槐素苷等黄酮类，具止血、降压、抗菌作用，止血力较小蓟更强。
Japanese thistle contains cirsimarin and pectolinarin with hemostatic, hypotensive, and antibacterial effects; its hemostatic potency exceeds that of Xiaoji.
大蓟止血力强于小蓟，二者常相须配伍，称大小蓟。
Bensky notes Daji has stronger hemostatic action than Xiaoji; the two are often paired and called Da-Xiao Ji.
This section is provided for academic reference only and does not constitute medical advice.