Using liquefied filter in PS can realize the requirement of changing face! The operation method and steps are as follows:

1. Open the picture file to be processed in PS.

2. In order not to destroy the original image, drag the background graphic to the new layer button to get a copy of the background, and we will implement specific operations on the copy;

3. Select the background copy, execute the "Filter-Liquefaction" command, and set the parameters of "Brush Size", "Brush Intensity" and "Brush Pressure" in the "Liquefaction" tool option (the specific values are set according to the actual situation of the original image);

4. Select the reduction tool in the liquefaction toolbox, drag the mouse on the edge of the face to change the face shape, and pay attention to the balance of the faces on both sides. If there is wrong operation, you can click the "Restore (Reset)" button to restore to the state before the wrong operation;

5. After meeting the face requirements, click OK on the filter toolbar to finish the operation.