First select a photo you need and transfer it to your computer, and then use PS to create a one-inch photo. The specific steps are introduced below:

1. Open the prepared photos with PhotoShop.

2. Use the magic wand tool to select the background and delete it.

3. Adjust the tilt of the screen until it reaches the appropriate level and angle.

4. Cut to appropriate size.

5. Drag the appropriate cropping area in the picture area.

6. Select the background color.

7. Use the paint bucket tool to fill the bottom layer.

8. A one-inch electronic photo is completed.

Notes:

1. 1 inch = 2.5cmX3.5cm.

2. If you want to choose to take a new photo, it is best to take it against a solid color background to facilitate post-production.