1, first open the picture to be decorated with ps, and then copy the layer with ctrl+j;

2. Then, press the shortcut key "shift+ctrl+L" (automatic gradient to restore the original color of the image), and gradually change from purple to yellow;

3. Then, click the semicircle symbol in the lower right corner and select "Gradient Map";

4. Then, change the layer blending mode to color filtering and the opacity to 40%;

5. Next, create a new color code and set the parameters;

6. Create a new layer of "gradient map" from green to yellow. The layer blending mode is "positive overlay" and the opacity is 10%.

7. After adjusting the color, you can make some minor modifications: create a new document larger than the original image, and customize the values;

8. Then, fill the background with black and perform "Filter-Rendering-Lens Halo".

9. Next, move this halo layer to the picture layer to be decorated and put it in the upper left corner;

10. Then, change the layer blending mode to color filtering.