"Cutout" is the basis of ps post-processing, and there are many methods of matting, including lasso tool method, eraser tool method, pen tool method and quick mask, filter, channel, calculation and application image method.

The specific operation method of using photoshopcs5 software "Eraser Tool Method" to cut pictures is:

1, open PS software, open the picture to be matting, copy the layer, and close your eyes in front of the background layer;

2. Open the eraser tool, select the magic eraser tool, set the properties of the eraser tool, and select Continuous;

3. Click on the picture background with the "magic eraser tool" to clear the background;

4. Open "Layer-Trim-Remove White Edge";

5. "File-Save as" png format picture, and the matting is completed.