Audio and video signal source test control system and method

The invention discloses an audio and video signal source test control system and method, and the system comprises a touch screen control end, signal source host ends, and display devices, and each signal source host end corresponds to one display device. The touch screen control end is used for generating test control signals for controlling the signal source host ends based on the touch signals, and sending each test control signal to the corresponding signal source host end; the signal source host end is used for generating a target image signal according to at least one audio and video test item corresponding to a test control signal and sending the target image signal to display equipment corresponding to the signal source host end when the test control signal sent by the touch screen control end is received; and the display device executes each audio and video test item corresponding to the target image signal. The control terminal is separated from the audio and video signal source host, so that hardwar