The invention for a line scan camera calibration device is disclosed. Line scan camera calibration device of the invention is: disposed between the scan line of the conveying roller table is arranged on the upper side of the camera and the roller, the belt section which rulers are formed in a plurality of directions; So as to operate in a belt rollers for supporting the endless rotating belt unit; Motor unit that is coupled to a rotating roller, rotate the rotating roller; An encoder connected to the motor unit for measuring a motor unit driving pulse signal; And it characterized in that it comprises a microprocessor which is connected to the encoder and the line scan camera, the trigger pulse signal input to the line scan camera.