Methods:Cynanchum paniculatum, Epimedium brevicornum, E. koreanum, and Polygonum multiflorum were identified by thin-layer chromatography, icariine was determined by HPLC.

• 方法：用薄层色谱法对其中的徐长卿、淫羊藿、何首乌进行鉴别,以高效液相色谱法检测淫羊藿苷。