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The dried ripe fruit of Cannabis sativa (Moraceae). Enters the Spleen, Stomach, and Large Intestine channels. Sweet and neutral, it is the representative moistening laxative, with a mild nature that moistens dryness and lubricates the intestines without injuring upright qi. Suitable for elderly, postpartum, and constitutionally weakened patients with intestinal dryness constipation, as in Zhang Zhongjing's Ma Zi Ren Wan.
润肠通便力较强
缓和油腻之性，便于煎出有效成分
打碎入煎。润下药中药性最为平和，适合老人、产妇、虚人便秘。
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.
脾虚便溏、肠滑泄泻者慎用。大剂量（60–120g）服用可引起中毒反应（恶心、呕吐、四肢麻木），须控制用量。
一次性过量服用（60g以上）曾有中毒报告，表现为恶心呕吐、肢体麻木、烦躁不安。严格控制用量，打碎后入煎以利吸收。
味甘，平。主补中益气，肥健不老神仙。
上品
@misc{bencaodian-huo-ma-ren,
author = {{Bencaodian Editorial}},
title = {Huǒ Má Rén 火麻仁 (Hemp Seed) — Cannabis Fructus},
year = {2026},
howpublished = {Bencao Dian: A Bilingual Knowledge Graph of Traditional Chinese Medicine},
url = {https://bencaodian.org/en/herbs/huo-ma-ren},
urldate = {2026-04-17},
note = {CC BY-SA 4.0}
}© Bencaodian Editorial · Licensed under CC BY-SA 4.0
火麻仁富含脂肪油和蛋白质，通过润肠通便及滋养作用缓解津亏便秘，并具一定调脂作用。
Hemp seed is rich in fixed oil and protein, relieving dryness constipation by lubricating the bowel and nourishing, with modest lipid-modulating effects.
火麻仁甘平润下，用于津枯肠燥便秘，老人、产妇及体虚者尤宜。
Sweet and neutral, moistens the intestines for dryness constipation — especially in the elderly, postpartum, and debilitated.
润滑作用源自脂肪油；动物实验显示调脂及缓泻效应。
Lubricant action derives from the fixed oil; animal studies show lipid-modulating and mild laxative effects.
《中国药典》以脂肪油含量（不少于 30%）为质量指标，要求去除药典外大麻活性品种。
Chinese Pharmacopoeia specifies fixed oil content (≥30%) and excludes psychoactive Cannabis chemotypes.
This section is provided for academic reference only and does not constitute medical advice.