1 One 药的外观识别 Drug appearance recognition 药抓回后看一下是否干净，是不是带着渣滓，渣滓都是药底。药材的成色、质量是不是干净整洁，切片是不是工整。 Take the medicine back and see if it's clean. Do you take the garbage and the dregs are the medicine base?. The purity of the medicinal material, the quality is not clean and tidy, slice is not neat?. 2 Two 药的味道 Taste of Medicine 闻一闻药味，看有没有特异的怪味、臭味，如果有，药物八成有问题。很多好药，补益气血的药，药味都很正，不会偏到哪去，虽然有药味，但闻起来不会反感。比如当归、桂枝都有很不错的味道。 Smell the smell, to see if there is no specific smell, smell, if there are problems, drugs 80%. A lot of good medicine, blood tonic medicine, medicine is very positive, not partial to go, although the smell, but the smell is not objectionable. For example, angelica, cassia twig, have a very good taste. 3 Three 异物鉴别 Identification of foreign body 看一看有没有尘土，生虫子，有没有腐烂变质，这些是可以看出来的。还有泡药的时候有没有过多的碎末。 Take a look at whether there are dust, worms, rot or rot, which can be seen. When there are global drugs are not too much.