Steel structure ventilation clerestory

The utility model belongs to the technical field of clerestory structures, and discloses a steel structure ventilation clerestory which comprises a plant roof, a clerestory structure is connected to the interior of the plant roof in a penetrating mode and comprises a ventilation frame, the ventilation frame is connected to the interior of the plant roof in a penetrating mode, and first ventilation grooves are formed in the front wall and the rear wall of the ventilation frame. Second ventilation grooves are formed in the left wall and the right wall of the ventilation frame, first sealing plates are rotationally connected into the second ventilation grooves, second sealing plates are rotationally connected into the first ventilation grooves, a supporting plate is fixedly connected to the bottom end of the interior of the ventilation frame, and a supporting column is fixedly connected to the top of the supporting plate. A limiting disc is fixedly connected to the top end of the supporting column, and a first e