The invention discloses a vehicle moving device for a vehicle. The vehicle moving device consists of four parts, i.e. a front vehicle frame assembly, a rear vehicle frame assembly, a rocker arm assembly and a universal wheel assembly, wherein the front vehicle frame assembly mainly comprises a front vehicle frame, a telescopic arm, a telescopic arm slide sleeve, a telescopic arm telescopic spring, a telescopic arm steering pulley and a front vehicle frame telescopic spring; the rear vehicle frame assembly mainly comprises a rear vehicle frame, a rear vehicle frame end arm, a rear vehicle frame end arm slide sleeve, a bottom reversing pulley and a bottom reversing pulley shaft; the front vehicle frame assembly slides in a slide groove of the rear vehicle frame assembly; the rocker arm assembly mainly comprises a rocker arm, a rocker arm shaft, a telescopic pulling rod, a bidirectional ratchet wheel, a pawl, a ratchet wheel reset rod, a ratchet wheel and rocker arm synchronizer, a left and right telescopic steel wire rope and a front and back telescopic steel wire rope; the rear vehicle frame assembly is connected with the rocker arm assembly through the rocker arm shaft; the rocker arm swings around the rocker arm shaft front and back; the universal wheel assembly mainly comprises a universal wheel and a universal wheel protecting frame; the universal wheel assembly is arranged on the bottoms of the front vehicle frame and the rear vehicle frame; the universal wheel assembly finishes moving of the whole vehicle by the vehicle moving device or the vehicle on the device.