The utility model relates to an automatic monitoring recorder for an overspeed vehicle; a camera composed of a lens and a video camera; an output signal thereof can be sent to the input end of a mainframe through an image processing device; the input end of the mainframe is also connected with a measuring and judging device for overspeed; the output of the mainframe is connected with an image recorder; the image processing device can be an image collecting board directly connected to the mainframe; the image processing device can also be a wireless transmitting device; a corresponding receiving device thereof is connected with an image collecting board; the image collecting board is connected with the mainframe. When no body watches, the utility model can realize the monitoring management for the overspeed of a vehicle running on a highway; the utility model can automatically record the license number, the vehicle type of the overspeed vehicle, etc., at any time.