Specific operation steps:
1. Open QQ, enter the chat interface, and click on the picture to edit.
2. Then click the edit icon below.
3. Click on the text below again.
4. Then enter the text you want to add in the box, and then click Finish.
5. The screen will show that you have finished adding words, such as the words I entered, and then click Finish.
6. You can choose three ways to save the sent pictures. If you choose to send it to your friends, please click it.
7. After sending, the text you added will be displayed in the sent picture in the chat interface.
I have finished sharing my operation process. If you still don't understand, please comment and ask me.