Methods:Radix et Rhizoma Rhei,Herba Artemisiae Scopariae and Fructus Jujubae were indentified by TLC,and the content of Chrysophanol was determined by HPLC.

• 方法:采用薄层色谱法鉴别苦黄口服液中大黄、茵陈、大青叶等药材;