1. Open Photoshop software. The demo version is 20 16, and other versions are also acceptable.

2. Open a picture for demonstration.

3. Select the stain repair brush tool in the left toolbar.

4. Click the spot repair brush tool and move the mouse to the open picture layer. You can see that the mouse has become a small circle style. At this time, you can use the stain repair function. Click the left mouse button to repair the location.

5. The enlargement and reduction of the stain repair brush tool is essentially the diameter of the brush. Right-click the layer to change the size of the repair brush tool.