How to set qq group ban and not chat in the group?

Personal mute setting of QQ group is as follows:

1. Enter the QQ group and select the users who need to be banned (as shown below):

2. Click the "Settings" button in the upper right corner (as shown in the figure below):

3. Click the "Set Group Mute" function (as shown below):

4. Select the silence time, and then click "OK" button (as shown below):

Warm reminder: Only group owners and administrators have mute function. If ordinary users are not allowed to silence other partners in the group.

When two QQ users chat privately, they can refuse to receive each other's messages by blocking each other's messages in QQ. Click on the three columns in the upper right corner of the chat window, and then select the function of blocking this person (as shown below):