200 1, the state pharmaceutical products supervision and administration issued the notice on uniformly updating and standardizing the format of drug approval number, which made a new specification for the writing format of drug approval number, that is, quasi-Chinese medicine word+1 letter +8 digits, that is, quasi-Chinese medicine word z? The letter H stands for chemicals, Z stands for traditional Chinese medicine and S stands for biological products. The State Administration of Pharmaceutical Products has cleaned up and rectified the products of Yaojianzi, which are neither drugs nor health food, and cancelled the health care products with the previous local approval number. If it passes the examination and approval again, it can be issued with the approval number of National Medicine Zhunzi B, where B stands for the drug transformed from health care products.