The invention relates to a building with multifunctional rope reel-out equipment. The multifunctional rope reel-out equipment is arranged on a roof of the building or an upper floor of the building orthe outer side of an external wall structure of the building or the upper portion of a building structure. The multifunctional rope reel-out equipment comprises an electric transmission system or a hydraulic transmission system or a pneumatic transmission system, rotation bodies, pull ropes and descent control devices. A rotation shaft of a motor of the electric transmission system or the hydraulic transmission system or the pneumatic transmission system is connected with the rotation bodies, ratchet mechanisms are connected to the rotation bodies, and the pull ropes are connected to the rotation bodies; the descent control devices are arranged on the rotation bodies, the pull ropes extend out of the rotation bodies, then wind the rotation bodies or winding drums, extend out of the rotation bodies or the winding drums and are connected with a weight I, and descent control ropes of the descent control devices extend out of the rotation bodies, then wind the rotation bodies or the winding drums, extend out of the rotation bodies or the winding drums and are connected with a weight II.