Abstract: A wireless display screen includes a display screen body, a power management module, a wireless audio/video signal receiving module used for receiving a wireless audio/video signal emitted by a host device and an audio/video signal conversion process module used for converting a video signal into a display signal which adapts to the display screen body to perform image display. A user selects a host device capable of emitting the wireless audio/video signal to perform signal pairing on the wireless display screen so as to be capable of achieving synchronous display and play of a signal outputted by the host device.