Using mobile phone retouching software Meitu Xiu Xiu, you can easily get abdominal muscles. The specific operation steps are as follows:

1. Open the Mito Xiu Xiu app on your mobile phone and click "Portrait Beauty".

2. Select the photos that need P abdominal muscles and enter the photo editing page.

3. Find the "Heighten Shape" option in the editing options below.

4. Click "Heightened Shape" to enter the Heightened Shape editing page.

5. Click "Line" on the heightening shaping editing page, and you can select the following abdominal muscle types for P-drawing.

Through the above steps, you can easily use the mobile phone retouching software P abdominal muscles.