[Establishment and Optimization of Quality Standards for the Traditional Tibetan Medicine Preparation of Liuwei Nengxiao Pills].

Objective: To establish quality standards for Liuwei Nengxiao pills, to optimize the quality control method, and to provide references for the quality control of Liuwei Nengxiao pills.

Methods: Chebula, dried ginger, and Tibetan liqueur root in Liuwei Nengxiao pills of different batch numbers were analyzed by thin layer chromatography (TLC). Then, the content of chrysophanol in the preparation was determined by high performance liquid chromatography (HPLC).