OBJECTIVE To establish the method to further control the quality of Yinqiao Antipyretic granules. METHODS Fructus Arctii,menthae haplocalycis herba,lophatherum gracile in Yinqiao Antipyretic granules were identifide by TLC. And the contents of liquiritin,phillyrin and arctiin were determined by HPLC. RESULTS Fructus Arctii,menthae haplocalycis herba,lophatherum gracile could be detected by TLC and easily to observe. A good linear relationship was found between the peak areas of apigenin for liquiritin、phill...