Convenient building block and mortar lifting auxiliary device

The utility model relates to the technical field of building auxiliary tools, and discloses a convenient building block and mortar lifting auxiliary device which comprises a box body, cavities are formed in the two sides of the top end of the box body, mounting bins are arranged in the two cavities, sliding blocks are evenly connected in the two mounting bins in a sliding mode, and the sliding blocks are connected with the box body in a sliding mode. Limiting grooves are formed in the adjacent sides of the two sliding blocks correspondingly, back plates are slidably connected into the two limiting grooves, fixing rings are fixedly connected to the rear ends of the back plates, inserting blocks are slidably connected into the fixing rings, supporting rods are fixedly connected to the two sides of the top ends of the two cavities correspondingly, and bolts penetrate through the interiors of the multiple supporting rods correspondingly; and the outer sides of the middle parts of the plurality of bolts penetrate