the electronic health code is also a QR code, so you can scan the code by using the scanning function in the application, such as WeChat, Alipay, QQ, etc., turn on the scanning function and then aim at the QR code. If you haven't received your health code, you can get it on Alipay or WeChat.

tips for using wechat: 1. get the health code-first open the wechat App to enter the home page, then click the "I" button in the lower right corner, then click the "payment" option, and then click the "health and epidemic prevention code" button after entering, and then you can check your health code.

2. Clean up the chat history-after entering the WeChat settings page, click the "General" option, and then click the "Storage Space" option. At this time, the WeChat application will automatically scan the application and display the space occupied by WeChat and the generated cache. We can clean up the chat history in WeChat by clicking the "Manage" button.

3. Set it to be visible for three days-please open the WeChat App to enter the home page, then click the "I" button in the lower right corner, then click the "Settings" option, then click the "Allow friends to view the range of friends" option, and then check "Last three days".

4. Edit the favorite tag-first, open the WeChat App to enter the home page, then click the "I" button in the lower right corner, then click the "Favorite" option. After entering, slide the pictures or videos that have been collected left, and click the "Tag" button in the pop-up menu, then you can edit the tag.