Building component hoisting positioning auxiliary device

The utility model discloses a building component hoisting and positioning auxiliary device which comprises a plate-shaped component, a hoisting rope and positioning mechanisms, the hoisting rope is detachably installed on the plate-shaped component, the two positioning mechanisms are oppositely installed on a containing face, the plate-shaped component can be located between the two positioning mechanisms, and the positioning mechanisms are used for positioning the plate-shaped component. The fixing bottom plate, the movable limiting plate, the stabilizing block and the driving air cylinder are fixed to the containing face through a plurality of fixing screws, the two U-shaped movable limiting plates are oppositely located on the inner side of the fixing bottom plate in an overlook mode, and the stabilizing block is fixed to the opposite back faces of the movable limiting plates. Two reinforcing plates are fixed to the face, adjacent to the movable limiting plate, of the upper surfaceof the stabilizing block.