1. Open PS software and execute: File-Open the picture to be spliced (or double-click the mouse directly in PS software);
2. Double-click the background layer to change it to a 0 layer (you can move it at will after changing it to a 0 layer, and all the picture background layers that need to be spliced will be changed to layers);
3. Use the selection tool Picture 1 to move Picture 1 to Picture 2;
4. Minimize the figure 1, select Figure 2 and select the layer1;
5. Click the magic wand tool to select the white area in the blank of the drawing, and then click the Delete key to delete the white area;