METHODS:Scrophularia ningpoensis,Menispermum dauricum,Radix et Rhizoma Glycyrrhizae in the granules were identified by TLC,and the content of linarin in Yanyan granules were determined by HPLC.

• 方法:采用薄层色谱(TLC)法对方中玄参、北豆根、甘草进行定性鉴别;采用高效液相色谱法测定本制剂的有效成分蒙花苷的含量。