目的:建立尪痹胶囊的质量标准。方法:采用薄层色谱法对方中的白芍、知母进行鉴别;采用高效液相色谱法对淫羊藿苷进行定量分析。结果:薄层分离度良好,专属性强;淫羊藿苷进样量在0.030～2.0μg范围内具有良好的线性关系,回收率96.6%。结论:所建立之方法准确、灵敏度高、专属性强,可有效控制尪痹胶囊的质量。 Objective: To establish the quality standard of Bibi capsule. Methods: The peony root and Anemarrhena asphodeloides were identified by TLC. The content of icariin was quantitatively analyzed by high performance liquid chromatography. Results: The separation of TLC was good and the specificity was strong. The calibration curve of icariin had a good linearity in the range of 0.030-2.0 μg with the recovery of 96.6%. Conclusion: The established method is accurate, sensitive and specific, which can effectively control the quality of the capsule.