龟版始载于《神农本草经》，列为上品，为常用中药之一。因近年来药材资源供应紧张，不同种类的龟版纷纷进入药材市场，造成混乱状态。为鉴别正龟版与混淆品的特征，对龟版的鉴别要点及部分混淆品的区别特征进行介绍。 The turtle version was first published in the “Shen Nong Ben Cao Jing” and was listed as a top grade product. It is one of the commonly used Chinese medicines. Due to the shortage of herbal medicine resources in recent years, different types of turtle plates have entered the herbal medicine market, causing confusion. In order to identify the characteristics of the genuine turtle plate and the adulterants, the distinguishing features of the turtle plate and the distinguishing features of some of the confusion products are introduced.