1. Open mobile QQ, slide the mobile phone screen to the right, the menu bar on the left will pop up, and you can see "personalized signature" at the top of the page.

2. Click "Personalized Signature" to open the signature editing window. You can add a hot topic on the page and then add a mutual praise signature.

3. Click "QQ avatar" to pop up the profile page, and you can see the favorite icon.

4. Click the like icon to pop up the information page of the praised QQ account. On the page, you can see "Who praised me" and give back praise to those who praised us.

5. Enter the contact page of mobile QQ, click on the friend's avatar on the page, and a personalized business card window of friends will pop up, and take the initiative to praise our friends.

6. After clicking on likes, you can send messages to friends and praise each other, which makes it easier to increase the number of likes and increase the friendship between friends.