1. Take drawing a circuit diagram in a WPS document as an example, and click Shape on the Insert tab.

2. Select the graph with an X in the middle of the circle in the flow chart option.

3. Draw two graphs as shown below as needed, and hold down the shift key when drawing.

4. Then, select the position where the rectangular figure was drawn before and put it at the bottom.

5. Choose a rectangle, draw it according to the picture below, and then choose to place it at the bottom again.

6. Then insert two small rectangles and put them in the position of the big rectangle border to cover part of the border.

7. Then draw the figures of power supply and switch respectively, and put them in the blank space covered.