Light truss of high formwork

The utility model discloses a light truss of a high formwork, which relates to the technical field of building high formworks and comprises a truss body and two main bodies, the truss body is arranged between the two main bodies, connecting grooves are symmetrically formed in one side, close to the truss body, of a fixing plate, sliding grooves are formed in the bottoms of the connecting grooves, and cavities are formed in the bottoms of the sliding grooves. A motor is fixedly arranged on the inner wall of the bottom end of the cavity, two sliding blocks are movably arranged in the sliding groove, a lead screw is arranged in the sliding groove and penetrates through the two sliding blocks in a threaded mode, the top end of the lead screw is inserted into the inner wall of the top end of the sliding groove, and the bottom end of the lead screw penetrates through the inner wall of the bottom end of the sliding groove. The two motors work at the same time, the two motors drive the two lead screws to rotate forwa