Abstract: The present invention discloses a wall panel suitable for incoming and outgoing wires of audio-visual system, which includes a panel. The middle of the panel is provided with an outlet. The back surface of the panel is fixed with an inlet box. The lower end surface of the inlet box is provided with an inlet. The upper space and lower end of the panel are provided with a mounting hole, respectively. An opening adjusting plate is slidably arranged inside the outlet. The wall panel suitable for incoming and outgoing wires of audio-visual system can change the size of the opening by arranging a movable opening adjusting plate at the outlet, and wires with different specifications can be held, so much space is available. Moreover, since bumps are provided, after the position adjustment, the opening adjusting plate is engaged with clamping grooves.