1. Step 1: Open the QQ mailbox, then click "Write" in it, as shown in the figure below, and then go to the next step.

2. Secondly, after completing the above steps, you will enter the letter writing interface, as shown in the figure below, and then go to the next step.

3. Then, after completing the above steps, write the content to be sent in the text, move the cursor to the position where the picture needs to be inserted, as shown in the figure below, and then enter the next step.

4. Then, after completing the above steps, click the "photo" option above the text, then select the location where you want to insert the picture, as shown in the figure below, and then go to the next step.

5. Then, after completing the above steps, find the picture to be inserted, select and insert it, as shown in the figure below, and then go to the next step.

6. Finally, after completing the above steps, you can add the picture to the email body, as shown in the figure below. In this way, the problem is solved.