我所从1970～1983年共完成中药材检品452件,其中不合格297件,分114种,不合格率66％。在每种不合格检品中,有1～2件者80种,3～4件者18种,5件以上者16种,一种药材最多者20件(天麻)。有17种中国药典没收载,药典品种占84％。没定出原植物品种的80件,占不合格检品的27％。一、误收误用:有些药材外形有相似之处,如不仔细观察和识别会造成误用。如在 In the period from 1970 to 1983, we completed a total of 452 samples of Chinese herbal medicines, of which 297 were unqualified and divided into 114 types. The failure rate was 66%. Among each unqualified sample, there are 80 in 1 to 2 cases, 18 in 3 to 4 cases, 16 in 5 or more cases, and 20 in one of the medicinal materials (Tianma). There are 17 kinds of Chinese Pharmacopoeia not included, and Pharmacopoeia varieties account for 84%. 80 items of the original plant variety were not determined, accounting for 27% of the unqualified samples. First, misuse of misuse: Some herbs have similar appearance, if not carefully observed and identified will cause misuse. As in