余甘子和诃子均为常用藏药，藏药中余甘子、毛诃子、诃子3种药物配伍使用称为大三果，是大多数常用方剂的基础方。本文对余甘子和诃子化学成分与药理作用进行归纳总结和比较，为两种常用藏药的应用提供依据。

Phyllanthus emblica L.and Terminalia chebula Retz. were the most common Tibetan medicines.The combination of Phyllanthus emblica L.,Terminalia chebula Retz. and Term inalia bellirica(Gaertn.)Roxb. was known as Triphala,which was the basis of the most frequently-used prescriptions.The present study summarized and made a further comparison between Phyllanthus emblica L.and Terminalia chebula Retz. over chemical constituents and pharmacological activities,which provided evi dence for their clinical use and the basic theory.

国家自然科学基金委面上项目（81274187）：基于藏药余甘子酚酸类成分体内动态变化的抗癌药效物质与质量控制研究，负责人：张兰珍。