1. Open a computer browser and search China Food and Drug Administration online.

2. Click to enter the food function bar in the menu bar above official website and official website.

3. Click on the food function, and find the food production license certified enterprise in the menu bar on the left side of the query interface.

4. Click Enter to select the enterprise type to be queried, enter the query keyword, and click Query.

5. View the query results in the search results, and click the desired results to view detailed information, such as certificate number, production address, certificate validity period, etc.