The specific operation steps of ps repairing double chin are as follows:

1. First, we choose a photo of double chin, copy one layer, ctrl+J, or right-click to copy directly. Choose the double chin with a pen, choose carefully as far as possible, and choose the outline box bit by bit with a pen.

2. Choose a path. Drag the path selected in the box to the circle of dotted line under the path panel, and a selection will appear. Or the shortcut key ctrl+Enter, or you can directly convert the path into a selection.

3. Go back to the Layers panel, adjust the selection, click the right mouse button on the selection, and feather about 5 pixels.

4. Copy the selected selection ctrl+J to two layers, create a cut mask for the top layer, and right-click it directly.

5. Adjust the deformation of the top layer, ctrl+T, right-click to select deformation, and slowly pull up, you will find that the double chin becomes smaller. If the effect is not obvious, repeat the above steps several times.

6. The final result is as follows: We removed the double chins perfectly.