Road sweeper can be widely used in trunk highway, municipal and airport pavement, urban residential areas, parks and other roads cleaning. Road sweeper can not only clean the garbage, but also can dust and purify the air medium on the road, not only to ensure the beauty of the road, maintain the sanitation of the environment, maintain the good working condition of the road, reduce and prevent the occurrence of traffic accidents and further extend the service life of the road. It has become a trend to use road sweeper for road maintenance in China. Road sweeper is a special sanitation vehicle equipped with cleaning system such as brush, which is mainly used in large and medium-sized urban sanitation departments for cleaning work. Road sweeper greatly liberated the work intensity of sanitation workers, improve the work efficiency, reduce dust and other secondary pollution.