Box type truss steel structure with high bearing capacity

The utility model relates to a box type truss steel structure with high bearing capacity. The box type truss steel structure comprises a main beam, an auxiliary beam and diagonal web members, the number of the main beams is four, five sets of auxiliary beams are assembled on the four main beams, two rows of diagonal web members are assembled on the four main beams, and supporting structures are assembled in the five sets of auxiliary beams. The supporting structure comprises supporting beams, first supporting rods and second supporting rods, an upper second supporting rod and a lower second supporting rod are fixed in each set of auxiliary beams, and a left first supporting rod and a right first supporting rod are fixed in each set of auxiliary beams. According to the box type truss steel structure with the high bearing capacity, the arranged supporting structure is located in the box type truss and supports the box type truss from the inner side of the box type truss, the pressure bearing capacity of the box