To make the wallpaper fade-out effect of playing cards, you can use the following steps:

1. Start Photoshop cs5, execute the file, create a new command ctrl+N, and create a blank document.

2. Set the size to 800 x600 and the resolution to 100.

3. Set the foreground color and background color, and import the playing card wallpaper into the newly created document.

4. Select the gradient tool and fill the gradient from the background color to the foreground color with a normal gradient.

5. Execute the commands of filter, rendering and fiber, and set the difference to 30 and the intensity to 2.

After completing the above steps, the effect of fading out the playing card wallpaper is completed.