Reinforcing structure of crossing column

The utility model discloses a reinforcing structure of a crossing column, which relates to the technical field of crossing column reinforcement and comprises an original beam, lengthened plates are mounted at the left end and the right end of the original beam respectively, an original plate is mounted at the other end of each lengthened plate, a concrete plate is mounted outside the original beam, a plurality of groups of reinforcing longitudinal bars are mounted inside the concrete plate, and the reinforcing longitudinal bars are connected with the original beam. A plurality of sets of reinforcing waist bars are installed at the positions, located inside the concrete slab, of the outer portions of the reinforcing longitudinal bars and penetrate through the concrete slab and the original beam. The lengthened waist bars and the lengthened longitudinal bars are stably connected to the surface and the interior of the original beam through concrete, the original beam is reinforced through the concrete plates, th