The operation method of adding text to WeChat pictures is as follows:

1. Open WeChat, select a chat object and enter the chat interface.

2. Click the "+"in the lower right corner of the chat interface to select photos.

3. Select the photo to which you want to add text, and then click the edit option in the lower left corner.

4. Select the third T-shaped text box option.

5. Enter the text you want to add, and then select Save.