木通、川木通与关木通为常用中药。三者除来源不同外,在性状鉴别和所合成分及药性等方面均不相同。由于一字之差,极易造成混用。最近,许多媒体报道龙胆泻肝丸中关木通致肾损害的消息,引起了较大关注,为了确保用药安全,现将其主要鉴别要点简介如下。 Mutong, Chuanmutong and Guanmutong are commonly used traditional Chinese medicines. In addition to the different sources, the three are not the same in the identification of the traits, and the composition and drug properties. Because of the difference in the word, it is easy to cause confusion. Recently, many media reports about the kidney damage caused by Long Dan Xiegan Pill Zhongguan Mutong have attracted more attention. In order to ensure the safety of medication, the main distinguishing points are summarized below.