The utility model relates to a steel reusable container, which mainly comprises four edges and a base frame (7) and the utility model is matched with a transportation line. The utility model is characterized in that a buffer gear is provided in the inner cavity of the container body, springs (3) are provided on the buffer gear, the upper ends of the springs are connected on the inner fringes of the upper ends of the four corners of the container body, and the lower ends of the springs are connected with the four corners of a bearing plate (4), porous web plates (5) are provided on the periphery of the container body, on the bearing plate and the base of the container body. The utility model has the advantages that the utility model can adapt working condition of leaf tobacco online continual vacuum resurgence system, and can guarantee the requests of the outcome and the quality of the online continual vacuum resurgence; the back penetrating rate of the leaf tobacco can be guaranteed and the sheets making rate of the leaf tobacco is low; the structure is simple and the using is convenient.