The use of scrubber dryers in various fields of society in developed countries has been very common, especially in some stations, docks, airports, workshops, warehouses, schools, hospitals, restaurants, stores and other places with broad hard ground, where machinery is used instead of manpower. The cleaning concept has been deeply rooted in the hearts of the people. It is mostly used for floor cleaning in hotels, park squares, factory workshops and other places. With complete functions and high performance, it is suitable for cleaning the surface of hard floors such as tile floors, stone floors, epoxy floors, emery floors, terrazzo floors, plastic floors, vitrified tiles, PVC floors and other hard floors.