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The dried ripe seed of Prunus humilis, P. japonica, or P. pedunculata (Rosaceae). Enters the Spleen, Large Intestine, and Small Intestine channels. Pungent, bitter, sweet, and neutral, its laxative action is stronger than huo ma ren, and it additionally directs qi downward and promotes urination. It is particularly suited for constipation due to Large Intestine qi stagnation with fluid depletion, and for edema with inhibited urination.
润肠通便，利水消肿
缓其润滑之性
打碎入煎。较火麻仁润下之力稍强，且兼行气利水，适合兼气滞、水肿之便秘。
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。阴虚津亏者及大便不实者忌用。
含苦杏仁苷类成分，过量可引起恶心呕吐。孕妇慎用以防动胎。
味酸，平。主大腹水肿，面目四肢浮肿，利小便水道。
下品
@misc{bencaodian-yu-li-ren,
author = {{Bencaodian Editorial}},
title = {Yù Lǐ Rén 郁李仁 (Bush Cherry Seed) — Pruni Semen},
year = {2026},
howpublished = {Bencao Dian: A Bilingual Knowledge Graph of Traditional Chinese Medicine},
url = {https://bencaodian.org/en/herbs/yu-li-ren},
urldate = {2026-04-17},
note = {CC BY-SA 4.0}
}© Bencaodian Editorial · Licensed under CC BY-SA 4.0
郁李仁富含脂肪油并含少量苦杏仁苷类成分，通过润滑肠道和轻度刺激肠蠕动发挥润下通便及利水消肿作用。
Prunus seed (Yu Li Ren) is rich in fatty oil with small amounts of cyanogenic glycosides, producing moistening laxative and mild diuretic effects via intestinal lubrication and gentle peristaltic stimulation.
《中药学》（Bensky）指出郁李仁较火麻仁泻下力强，孕妇慎用。
Bensky notes Yu Li Ren is stronger than Huo Ma Ren as a purgative and should be used cautiously in pregnancy.
Chen & Chen 介绍郁李仁兼具润肠和利尿作用，常用于便秘合并水肿者。
Chen & Chen describe combined moistening laxative and diuretic effects, useful when constipation coexists with edema.
This section is provided for academic reference only and does not constitute medical advice.