2. Next, press the shortcut key "Ctrl+j" to copy the background layer, and the subsequent operations will be carried out on the copied layer.
3. Next, select Select-Color Range in the toolbar above, use the eyedropper tool to absorb the green part of the picture, adjust the tolerance, and click OK.
4. Then press the shortcut key "Ctrl+j" to copy the selection layer.
5. Next, open the picture to be placed in PS, drag the sealed trademark into the picture, and press the shortcut key "Ctrl+t" to adjust the position and size of the picture.