The influence of different processing methods to the content of harpagoside and cinnamic acid in Radix Crophalariae processed by different methods were determined by HPLC.

• 采用HPLC法对不同软化方法、微泡时间、蒸制时间的玄参进行测定,考察了不同炮制工艺对玄参中哈巴俄苷和肉桂酸含量的影响。