Disclosed is a vehicle-mounted display screen control system, comprising: a sliding rail, the sliding rail being arranged along a vertical direction of a center console of a vehicle; a display screen, mounted on the sliding rail and capable of moving vertically along the sliding rail, and rotating horizontally relative to the sliding rail; a drive mechanism used drive the display screen to ascend and descend along the sliding rail, and to rotate horizontally; and a control mechanism, the control mechanism comprising multiple function modes, and the control mechanism being used to detect eye position information of a driver and control the drive mechanism to adjust the position of the display screen according to the function mode and/or the eye position information of the driver. The vehicle-mounted display screen control system disclosed in the present invention, by means of detecting eye position information of a driver, and by means of adjusting the position of the display screen according to the eye position information, can adapt to drivers having different heights and sitting postures.