Loading
New to this? Read about Four Natures & Five Flavors and Channel Tropism
The dried root bark of Morus alba (Moraceae). Enters the Lung channel. Sweet and cold, it drains Lung fire to calm wheezing and regulates the water passages to promote urination and reduce edema. It is particularly suited for Lung-heat congestion with cough and dyspnea, and for wind-water or skin-water edema. Featured as a primary herb in Wu Pi Yin and Xie Bai San.
泻肺平喘、利水消肿之力较强
润肺止咳，减缓寒泻之性，宜于肺虚咳嗽
煎服6–12g；泻肺利水生用，肺虚咳嗽蜜炙用。
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.
肺虚无火，风寒咳嗽者忌用。脾虚便溏者慎用。
性寒泻肺，不宜长期大剂量服用以免伤肺气。外层粗皮须刮净后入药，以免刺激咽喉。
桑根白皮，味甘寒。主伤中，五劳六极，羸瘦，崩中，脉绝，补虚益气。
中品
@misc{bencaodian-sang-bai-pi,
author = {{Bencaodian Editorial}},
title = {Sāng Bái Pí 桑白皮 (Mulberry Root Bark) — Mori Cortex},
year = {2026},
howpublished = {Bencao Dian: A Bilingual Knowledge Graph of Traditional Chinese Medicine},
url = {https://bencaodian.org/en/herbs/sang-bai-pi},
urldate = {2026-04-17},
note = {CC BY-SA 4.0}
}© Bencaodian Editorial · Licensed under CC BY-SA 4.0
桑白皮含桑皮苷、桑根皮素类黄酮及降糖多肽（Moran A），现代研究显示其有平喘、利尿、降血糖及降血压作用，呼应传统泻肺平喘、利水消肿之功。
Mulberry root bark contains stilbene glycosides (mulberroside A), prenylated flavonoids (sanggenons), and the hypoglycemic glycoprotein moran A, with preclinical data on bronchodilation, diuresis, blood-glucose lowering, and hypotensive effects that parallel its traditional lung-draining and edema-reducing use.
《中药学》（Bensky）指出桑白皮蜜炙可减其寒性，专用于肺热咳喘。
Bensky notes honey-fried Sang Bai Pi tempers the cold nature and is preferred for lung-heat cough and wheezing.
Chen & Chen 综述桑白皮提取物具利尿与降压作用，与其传统利水消肿相合。
Chen & Chen summarize diuretic and hypotensive effects of mulberry root bark extracts, matching its traditional water-regulating use.
This section is provided for academic reference only and does not constitute medical advice.