I am a businessman. The download method is as follows: 1. First, open Alipay and select all of Alipay.

2. Search for the health code in the search box, enter the health code and click View Now.

3. In the page that opens, click the national health code inside.

4. Then, in the page that opens, select the epidemic prevention health information code service.

After that, a health code will be generated, and the generated QR code will be shared with the merchant for printing, and it will be completed.