The utility model discloses a mounting lifting appliance for a space prefabricated unit. The mounting lifting appliance comprises a lifting frame and a plurality of slings for vertically connecting the space prefabricated unit with the lifting frame, wherein the hoisting frame comprises two cross beams and two longitudinal beams, the cross beams and the longitudinal beams are sequentially connected to form the square hoisting frame, a hanging plate is arranged at the lower ends of the longitudinal beams, a plurality of shackle holes used for being connected with slings are formed in the hanging plate, and the shackle holes are formed at intervals in the length direction of the longitudinal beams; the shackle holes in the two longitudinal beams are symmetrically distributed. In the actual using process, sling connecting points can be adjusted according to the positions of holes of the space prefabricated units, it is guaranteed that the centroid and the mass center of the space prefabricated units are consistent, and the vertical hoisting purpose is achieved.