The invention relates to an automatic washing device, in particular to a full-automatic washing device used for automobile maintenance. The full-automatic washing device used for automobile maintenance aims at achieving the technical purposes that a large amount of labor can be saved, time is saved, and a washing effect is good. In order to achieve the above technical purposes, the full-automaticwashing device used for automobile maintenance is provided and comprises a base, a first guide
barrel, a lifting rod, a first sliding rail, a first sliding block, a second sliding rail, a rack, a first spring, a third sliding rail, a supporting board, a third sliding block, a cylindrical guide pin, a first connecting rod, a first rotary shaft, a guide wheel, a fourth sliding block, a fourth sliding rail, a motor, a first bearing, a second bearing, a second rotary shaft, a
brush roller, a gear and a second connecting rod. The full-automatic washing device achieves the effects that a large amount of labor can be saved, time is saved, and water is prevented from being splashed to the
human body, through utilization of the device, labor can be released, a vehicle can be washed completely through a
machine, a worker has more time to finish other work,
economic income is increased, vehicle washing time is greatly reduced, and convenience is provided for a vehicle owner.