The invention relates to a building, wherein fine water mist fire-extinguishing equipment and
rope descending equipment are arranged above the building, the fine water mist fire-extinguishing equipment is connected with a
water supply pipe and is connected with one or a plurality of electric
pipe winding devices through a glue
pipe, the electric pipe winding devices are connected and wound with the glue pipe, the glue pipe extends out from the electric pipe winding device, is directly connected with a fire-extinguishing spray gun or
nozzle or is connected with the fire-extinguishing spray gun or
nozzle through a connection part, and is arranged on the
rope descending equipment, the
rope descending equipment can be controlled to move so as to extend out from the external wall of the building, and the fire-extinguishing spray gun or
nozzle can be controlled to descend along the outer side of the external wall of the building.