The utility model provides an automatic recording device for a vehicle running a red light; a camera is composed of a lens and a video camera; the output is connected with an image collecting board in a control circuit; the output of the image collecting board is connected with the input end of a mainframe; the output of a sensing device composed of a red lamp sensor and an induction coil is connected with an interface board; the output of the interface board is connected with the input of the mainframe; the output of the mainframe is connected with a hard disk; the camera is controlled by the mainframe through the interface board. The utility model has reasonable structure and easy use and operation. The utility model can lock a plurality of tens images in one second; the hard disk can store photographs whose number is from a plurality of thousands to a plurality of ten thousands and can be conveniently replaced, like a floppy disk; the utility model provides reliable assurance with high efficiency for further scientific traffic control.