METHODS:Angelica sinensis,Ligusticum chuanxiong and Radix Astragali in the mixture were identified by TLC and the content of stachydrine hydrochloride was determined by HPLC.

• 方法:采用薄层色谱(TLC)法对方中当归、川芎、黄芪进行定性鉴别;采用高效液相色谱法测定益母草的有效成分盐酸水苏碱的含量。