Prefabricated steel bar truss concrete composite floor slab structure

The utility model discloses a prefabricated assembly type steel bar truss concrete composite floor slab structure which comprises a prefabricated thin plate, a positioning plate is fixedly installed on the top of the prefabricated thin plate, a lower steel bar frame is fixedly installed in the positioning plate, and a steel bar truss body is fixedly installed on the top of the lower steel bar frame. Wall horizontal steel bars are placed in the steel bar truss body, the top of the prefabricated thin plate is fixedly connected with a damping clamping base, and the restraining protection plate can be attached to the inner wall of a mold so that concrete can be prevented from overflowing to the bottom of the inner wall of the mold during follow-up concrete filling; the distributed steel bars and the wall horizontal steel bars are arranged to be connected with the steel bar trusses to enhance the firmness of the composite floor slab after forming, the flatness of the top of the composite floor slab is guaranteed t