1. First open our PS software, open the picture that needs to be cut out, and Ctrl J to copy one layer. 2. Open the channel, select red, copy a color scale, Ctrl L, adjust the light and dark contrast of the map, Ctrl click to bring up the selection. 3. Go back to our layer, create a new layer mask, reverse the mask direction Ctrl L4. Create a new layer and fill it with the foreground color. Turn off the layer mask, use the Pen Tool to examine the outline of the ice, and use Ctrl+Enter to edit the layer to create a selection. Add layer mask Hold down shift to open the layer mask below. 5. Duplicate the background layer, open the channel, select green, duplicate a layer, and open the color levels to adjust the contrast of the picture. 6. Hold down the Ctrl key and click on the layer to bring up the selection, return to the layer, and create a new layer mask. 7.ctrl l to invert the mask and adjust the layer order. Use Hue Ctrl U to change colors. 8. Check the final details, make some final adjustments, and our transparent ice cutout operation is complete.