Using liquefaction tools:
1. Open photoshop image processing software (such as photoshop cs6).
2, file-open, open the picture to be edited.
3. Use the rectangular box selection tool to select the parts to be modified.
4. Click on the menu bar, filter-liquefy, and execute the liquefaction command.
5. Select the forward deformation tool, and push inward at the fat part of the beautiful woman's arm in the control film, and repeat it until you are satisfied. The wrong place can be repaired with reconstruction tools.
Click OK to save the changes. Ok, are the arms of beautiful women thinner?