The invention relates to cleaning equipment, in particular to glass surface cleaning equipment for a building. The invention aims to achieve the technical purpose of providing the glass surface cleaning equipment for the building. The equipment is good in cleaning effect, low in manufacturing cost and easy to operate. In order to achieve the technical purpose, the glass surface cleaning equipmentfor the building comprises a trolley and the like. Supporting plates are symmetrically connected to the front side and the right side of the top of the trolley, a top plate is connected to the tops ofthe two supporting plates, and a lifting device is arranged between the inner sides of the two supporting plates and the top of the top plate, and a lifting part of the lifting device is internally provided with a cleaning device. The cleaning device is started to work, meanwhile, the lifting device can be started to work, the height of the cleaning device is adjusted, and the surface of glass iscomprehensively cleaned, so that the effects of improving the cleaning effect and being easy to operate and convenient to use are achieved.