中药的品种比较复杂．自古以来存在着“同名异物”“同物异名”的现象。为了临床用药安全有效，有关部门对中药的品种进行了认真的考证和大量的科学研究．使一些混乱的品种逐步得到澄清。但到目前为止，临床上仍然存在着相似品种混用的现象。下面就几对易混药材的区别简述如下 The variety of traditional Chinese medicine is more complicated. Since ancient times, there has been a phenomenon of “external object with the same name” and “with different names”. For the safe and effective clinical use of drugs, the relevant departments carried out serious research on the varieties of Chinese medicine and a lot of scientific research. Make some confusing varieties gradually clarified. However, so far, there is still a phenomenon of mixed use of similar species in clinical practice. The following is a brief description of the differences between several pairs of miscible herbs: