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The dried bark of Albizia julibrissin (Fabaceae). Enters the Heart and Liver channels. Sweet and neutral, it excels at resolving constraint and calming the spirit, making it a fine herb for depression and insomnia. The Shen Nong Ben Cao Jing states it 'makes people joyful and worry-free,' hence the name 'he huan' (collectively joyful). It also invigorates blood and reduces swelling for traumatic injuries.
解郁安神、活血消肿
煎服6–15g。
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.
孕妇慎用（活血之性）。
一般安全。因有活血之性，孕妇慎用。
味甘，平。主安五脏，和心志，令人欢乐无忧。
中品
@misc{bencaodian-he-huan-pi,
author = {{Bencaodian Editorial}},
title = {Hé Huān Pí 合欢皮 (Silk Tree Bark) — Albiziae Cortex},
year = {2026},
howpublished = {Bencao Dian: A Bilingual Knowledge Graph of Traditional Chinese Medicine},
url = {https://bencaodian.org/en/herbs/he-huan-pi},
urldate = {2026-04-16},
note = {CC BY-SA 4.0}
}© Bencaodian Editorial · Licensed under CC BY-SA 4.0
合欢皮含三萜皂苷（合欢皂苷）和黄酮类，具有镇静、抗抑郁、抗炎及促进骨折愈合等作用。
Silk tree bark contains triterpenoid saponins (julibroside) and flavonoids, with sedative, antidepressant, anti-inflammatory, and fracture-healing-promoting activities.
解郁安神、活血消肿。为治忧郁失眠之良药。
Resolves constraint and calms the spirit, invigorates blood and reduces swelling. A fine herb for depression and insomnia.
This section is provided for academic reference only and does not constitute medical advice.