First, open the mobile phone WeChat and click on the search bar above; Click on my health card, then enter the QR code of the electronic health card and click on the official account of my health card WeChat; To apply for or bind a health card, click Apply for a health card in the service. If you have a health card, you can directly associate the binding; Click to display the health code, and finally click to display the health code in the official account interface of WeChat.