How to reissue a health certificate online?

Reissue it from Alipay. The steps are as follows: 1. Open the main page of Alipay software and enter "Health Certificate Service" in the search bar at the top of the screen; 2. After entering the page, click "Report the loss and replace the certificate"; 3. After entering the page, fill in the name, ID number and other related information, click Query and submit supplementary information. 4. After the health certificate is successfully reissued, you can get it on the "My" page. If you need a paper version, just print it out.