A mobile video/audio device is provided, comprising a receiving box, a display mounted on a surface of the receiving box for displaying a video content with a corresponding audio content accompanied, a compact disk (CD) drive disposed within the receiving box with an access side thereof exposed and having an eject button formed at a side thereof, a control module comprising a video/audio playing circuit formed in modules for controlling the display, CD drive and other units associated with the video/audio playing circuit, the control module being further disposed within the receiving box and detachable therefrom; and a control panel disposed at a location outside the display within the receiving box and having a plurality of control keys for controlling the control module to play the video/audio content and a plurality of video/audio out/input ports for connecting with an external device.