Materials/tools:
Computer, PS
Methods/steps:
1, start the PS software, and pull the picture material into PS.
2. Call the quick selection tool from the toolbar.
3. Select all the backgrounds of the picture.
4. Move the mouse to the bottom of the layer panel, and then click the button to adjust the layer.
5. Click: Solid Color again in the pop-up menu.
6. Pop up the color selector and set white. Confirm again.
7. The background on the canvas turned white.