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The dried ripe seed kernel of Platycladus orientalis (Cupressaceae). Enters the Heart, Kidney, and Large Intestine channels. Sweet, neutral, and moist, it nourishes Heart blood to calm the spirit and moistens intestinal dryness to unblock the bowels. It is particularly suited for Heart-blood vacuity with vacuity-vexation insomnia, palpitations, and forgetfulness. Commonly paired with suan zao ren in Tian Wang Bu Xin Dan and Bai Zi Yang Xin Wan.
养心安神、润肠通便并重
减其滑润之性，用于便溏而需安神者
煎服3–10g；大便溏者用柏子仁霜（去油）以防滑泻。
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.
便溏及痰多者不宜。脾虚湿盛者慎用。
含脂肪油较多，滑肠作用明显，脾虚便溏者宜用霜品。久置易走油变质，当藏之阴凉干燥处。
柏实，味甘，平。主惊悸，安五脏，益气，除风湿痹。久服令人润泽美色，耳目聪明，不饥不老，轻身延年。
上品
@misc{bencaodian-bai-zi-ren,
author = {{Bencaodian Editorial}},
title = {Bǎi Zǐ Rén 柏子仁 (Arborvitae Seed) — Platycladi Semen},
year = {2026},
howpublished = {Bencao Dian: A Bilingual Knowledge Graph of Traditional Chinese Medicine},
url = {https://bencaodian.org/en/herbs/bai-zi-ren},
urldate = {2026-04-17},
note = {CC BY-SA 4.0}
}© Bencaodian Editorial · Licensed under CC BY-SA 4.0
柏子仁富含脂肪油、皂苷及挥发油，具有润肠通便、镇静安神作用；动物实验显示其提取物可延长戊巴比妥睡眠时间。
Platycladi Semen is rich in fatty oil, saponins, and volatile components, with emollient laxative and mild sedative/hypnotic effects; extracts prolong pentobarbital-induced sleep in animal studies.
《中药学》（Bensky）记载柏子仁用于心血不足之心悸失眠及肠燥便秘，常与酸枣仁、当归同用。
Bensky documents use for insomnia/palpitations from heart blood vacuity and dry-intestine constipation, typically paired with suan zao ren and dang gui.
陈氏药理学提到柏子仁油脂含量较高，大便溏泄者慎用。
Chen & Chen caution against use in patients with loose stools due to the high fatty-oil content.
This section is provided for academic reference only and does not constitute medical advice.