1. First, open the LOGO image to be matting in PS software, select the pen tool to matting the LOGO image, or you can matting by adjusting the color range. Take the following figure as an example, sample black in the window, set the color tolerance to 200, and then click OK.

2. As shown in the figure, remove the background of the LOGO, and then you can save the LOGO image in png format.

3. Next, open the product picture with LOGO to be added in PS, as shown below.

4. Finally, drag the processed LOGO picture to the appropriate position on the product picture, and then save the product picture and LOGO together as a picture.