The taxonomic, trait, microscopic identification and the physicochemical analysis for Cnidium officinale Rhizoma in different place of origin ( Guangxin, Dongsheng, Pingding mountain) were carried out and the content comparison of the essential component of volatile oil was undertaken. 对延边不同产地(广新,东盛,平顶山)的东川芎进行了分类学鉴定、性状鉴定、理化分析,并重点进行了挥发油主成分的含量比较。