How to block and hack talking information?

If you don't want to delete this friend, there are two ways.

Method 1:

Log in to QQ on your computer and enter your QQ space. In the friend dynamics, this person says "……" in the lower right corner, puts the mouse on it, clicks "Hide", and then clicks "Hide all his dynamics" in the pop-up interface. That's all. As shown in the figure:

Method 2:

Log in to QQ with your mobile phone, click on that person's avatar and enter his profile page.

Then click more in turn-dynamic permission settings-regardless of his dynamics. As shown in the figure:

Both methods can help you.