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长于清热凉血、化痰止咳、生发乌发，多用于肺热咳嗽、须发早白
寒凉之性减，涩性增，专于收敛止血，多用于血热出血证
内服6–12g；外用适量，煎水洗或捣敷。止血多炒炭用，其他用途多生用。
For educational reference only — not medical advice.
侧柏叶含挥发油、黄酮类（穗花杉双黄酮、槲皮苷）及鞣质，具有止血、镇咳平喘、抗菌及促毛发生长作用。
Platycladi Cacumen contains volatile oils, flavonoids (amentoflavone, quercitrin), and tannins, with hemostatic, antitussive, antimicrobial, and hair-growth-promoting effects.
Bensky 指出侧柏叶炒炭后止血作用增强，传统上用于各种出血证。
Bensky notes that charring (Ce Bai Ye Tan) enhances the hemostatic effect and the herb is traditionally used for various bleeding patterns.
陈氏药理学提到侧柏叶提取物在动物实验中可缩短凝血时间并延长毛发生长期。
Chen & Chen report that Platycladus extracts shorten clotting time in animals and extend the hair anagen phase in rodent models.
This section is provided for academic reference only and does not constitute medical advice.
虚寒性出血者慎用。脾胃虚寒者不宜久服。外用引起接触性皮炎者停用。
含侧柏酮等挥发油，过量可致胃肠不适。长期大剂量可致肝损害。外用生发可配桑叶、何首乌浸酒外涂。
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-ce-bai-ye,
author = {{Bencaodian Editorial}},
title = {Cè Bǎi Yè 侧柏叶 (Chinese Arborvitae Leaf) — Platycladi Cacumen},
year = {2026},
howpublished = {Bencao Dian: A Bilingual Knowledge Graph of Traditional Chinese Medicine},
url = {https://bencaodian.org/en/herbs/ce-bai-ye},
urldate = {2026-04-09},
note = {CC BY-SA 4.0}
}