Looking at the approval number, the drug approval number should be: National Medicine Zhunzi +H (chemical medicine) or Z (Chinese patent medicine) and so on +8 digits (mostly 4 digits of the year +4 digits, with exceptions). Or provincial drug supervision signs, food and drug supervision signs.

Case 1: There is no approval number of "Drug Zhun Zi".

1, it can be determined that it belongs to non-drugs.

2. As a non-drug, if there are words about indications and functions in the outer packaging and instructions, it can be characterized as a non-drug passing off as a drug and treated as a fake drug. The specific situation is decided by the local food and drug administration.

Case 2: There is an approval number of "Drug Zhun Zi".

1. Try to query the US Food and Drug Administration-data query. Enter the specific approval number of "drug quasi-word" in the data query to query. If there is a search result, but the search result is not the product, it is basically judged as counterfeit. Please report to the local food and drug administration.

2. If the result of the approval number is not retrieved, please go to the local food and drug administration for consultation, and the local food and drug administration will issue an investigation letter to the local food and drug administration that issued the approval number to confirm the authenticity.