It has revolutionized the traditional cleaning method in the industry, enabling zero occurrence of high-altitude operation accidents, and its cleaning efficiency is thrice that of human labor. The product has solved the issues of high risks, low efficiency, difficult employment of human labor and secondary pollution existing in artificial cleaning operations, and it does not need to connect to water pipe, gas pipe, power supply, and the operation is simple. Application scenarios: High-altitude plane curtain wall in office buildings, hotels, commercial plazas, etc.