Methods Yinchentuihuang Mixture was prepared with aqueous extraction,and the Radix et Rhizoma Rhei and Cortex Phellodendri of the mixture were identified by TLC.

• 方法将处方中药材用水提法制成合剂,采用薄层色谱法对合剂中大黄(酒炙)、黄柏进行鉴别。