How long is the validity period of WeChat health code?

There is no limit to the validity period of WeChat health code. After the health code is successfully applied, it exists in the form of two-dimensional code. Just show the QR code when you need it.

After the application for health code is successful, it exists in the form of QR code, and you can show the QR code when you need to use it.

Wechat is an intelligent terminal instant messaging software launched by Tencent on 201121.