Steel bar truss composite floor

The utility model relates to a steel bar truss composite floor which comprises a longitudinal wall body, an installation mechanism is fixedly connected to the outer wall of the longitudinal wall body, a combination mechanism is arranged on the outer wall of the installation mechanism, a steel bar truss mechanism is arranged on the top of the combination mechanism, and the installation mechanism comprises two sliding grooves formed in the longitudinal wall body. The combined mechanism comprises a sliding groove body, a sliding block is movably connected into the sliding groove body, a connecting rod is fixedly connected to the outer wall of the sliding block, a mounting plate is fixedly connected to the end, away from the sliding block, of the connecting rod, a stud is fixedly connected to the bottom of the sliding groove body, and the combined mechanism comprises a fixing plate arranged on the mounting plate. A net plate is fixedly connected to the side, away from the mounting plate, of the fixing plate, a gu