犁头尖具有解毒消肿、散结止血的作用 ,主治毒蛇咬伤、痈疮肿毒 ,为泉州蛇药冲剂方中的主要组成之一 ,以块茎入药。由于从商业渠道很难购得 ,故一般只能从乡村采集。在采集过程中 ,我们发现有几种伪品易与犁头尖混淆 ,且从块茎部分不易区别 ,现主要从它们的地上部分形态特征加? Plough tip has the role of detoxification, swelling, bleeding and Sanjie, intoxication snake bites, swollen boils poisoning, one of the main components of the Quanzhou snake granules in order to tuber medicine. Because it is difficult to obtain from commercial sources, it can only be collected from rural areas. During the collection process, we found that there are several kinds of counterfeit products that are easily confused with the tip of the ploughshare, and are not easily distinguishable from the tubers, and are now mainly added from the morphological characteristics of their aerial parts.