Steel structure board room convenient to disassemble and assemble

The utility model discloses a steel structure board room convenient to disassemble and assemble. The steel structure board room convenient to disassemble and assemble can be disassembled and assembled through simple operation. The device comprises a foundation frame, supporting columns and ring beams, the foundation frame is provided with inserting grooves and limiting grooves, the bottom ends of the supporting columns are matched with the inserting grooves, the top ends of the supporting columns are detachably connected with the bottom ends of the ring beams, a plurality of limiting holes are formed in mounting rings of the supporting columns, first threads are arranged on the limiting holes and the limiting grooves, and second threads are arranged on screws at the limiting holes. The supporting columns are connected with the foundation frame through cooperation of screws, the limiting holes and the limiting grooves, a roof cover is installed on the ring beam and detachably connected with the top end of the