Building light steel structure

The utility model discloses a building light steel structure which comprises a first ejector rod, a transverse rod, bearing columns and a main body, positioning seats are evenly arranged at the two ends of the bottom of the main body, the bearing columns are installed at the top ends of the positioning seats, and the first ejector rods are evenly installed at one end of the top of the main body. By installing the first ejector rod, the second ejector rod, the bearing column, the inserting block, the inserting groove, the locking piece, the limiting bolt, the connecting rod, the reserved block,the reserved groove and the second locking bolt, the device optimizes the structure of the device, and the structure of the device is improved by utilizing the connecting structure composed of the inserting block, the inserting groove, the locking piece and the limiting bolt. A user can conveniently assemble the first ejector rod, the second ejector rod and the bearing column, and the user can conveniently assemble the c