1. Open the ps software, and drag the picture with transparency to the canvas.

2. Click the layer whose transparency you want to change.

3. Click the Opacity option above the layer and adjust the slider to adjust the transparency of the picture.

4. You can see the transparent effect of the picture on the canvas and adjust it until it is appropriate.

5. After adjusting the transparency, click File-Save As.

6. Select png format to save the picture with transparency effect.