延胡索为临床常用的名贵中药 ,有显著的理气、活血、止痛的作用。笔者近来在延胡索中发现了掺杂其中的薯蓣珠芽的加工品 ,外形极为相似 ,不仔细观察很难辨别 ,并且掺杂比例较大。现将二者的鉴别方法简述如下 :1　延胡索正品延胡索为罂粟科植物延胡索的干燥块茎。呈不规则扁球形 Corydalis is a commonly used valuable traditional Chinese medicine and has significant qi, blood, and pain relief effects. Recently, the author discovered that the processed products of the yam bulb buds doped in Yanhusuo are very similar in appearance and difficult to discern without careful observation, and the proportion of doping is large. The methods of identification of the two are briefly described as follows: 1 Corydalis Yanhusuo is a dried tuber of Corydalis yanhusulaceae. Irregularly flat spherical