Assembly type prefabricated slab convenient to install

The utility model discloses an assembly type prefabricated slab convenient to install, which comprises a slab body, a first installation assembly is installed on the side wall of a concave hole, an insertion groove is arranged on one side close to a clamping groove, the insertion groove is arranged on the surface of the slab body, an insertion block is arranged on one side far away from the insertion groove, and the insertion block is fixedly connected to the surface of the slab body. A fixing plate is pushed through a second spring ejector rod, and due to the fact that the fixing plate is installed in the supporting plate, the fixing plate can be pushed to move to the outer end of the supporting plate along a second limiting rod, so that the fixing plate is connected with a clamping groove and an ejector plate in a matched mode; the movable plate is mounted on the two first limiting rods, movement of the movable plate is limited, the first spring ejector rods abut against the movable plate to push the movabl