Abstract: Sweeper is one of many domestic garbage disposal vehicles, which has been widely used at present. In the 12th Five Year Plan, China clearly puts forward the requirements of "energy conservation and emission reduction", and the strategic focus of the automobile industry is developing towards the direction of new energy vehicles. As the pioneer of new energy vehicles, electric vehicles are undoubtedly given great hope by all walks of life, at present, new energy vehicles are gradually applied in cleaning vehicles. Based on this, it is of great significance to study the electric sweeper, this paper mainly analyzes the power system of the electric cleaning vehicle, and studies the power system of the double drive of the cleaning vehicle under the driving mode of the main and auxiliary motors, in order to provide a reference for the research of the power system of the electric cleaning vehicle.