1. Find the icon of PS software on the computer desktop, and double-click the mouse to open the PS software.
2. Select the "Open" option under the file bar in the menu bar above PS to open the picture to be cut.
3. Select the pen tool in the toolbar on the left side of the opened picture to be cut, and circle the range to be cut in the picture.
4. After selecting the part to be cut with the pen tool, as shown in the figure below, you can use the keyboard shortcut "CTRL+ENTER" to cut the selected area.
5. Use the keyboard shortcut "CTRL+J" to copy this layer. Click on the eye in front of the original layer in the layer bar to see the cut portrait layer, as shown below. At this time, you can drag this portrait to other pictures.