Each WeChat group has a QR code. You can find the QR code directly in the WeChat group, and then let others scan the code to enter the group.

1. First, open the WeChat group chat, and then select three points as shown in the following figure:

2. Pull down and find the group QR code as shown in the following figure:

3. You can see the group QR code as shown in the following figure:

After the QR code comes out, you can send it to your friends, so that they can scan the code and chat on WeChat group.