Steel structure shot blasting cleaning machine can be H-beam, reasonable size of the structural parts of a one-time pass through the cleanup. Not only can remove the rust on the surface of the workpiece to clean off the weld slag on the structural parts, but also remove the welding stress of the workpiece, improve the fatigue strength of the workpiece, and increase the paint adhesion when the workpiece is sprayed with paint. Mainly applicable to ships, automobiles, rolling stock, bridges, machinery and other industries, used for large I-beam steel, H-beam steel and other steel structural components with high dimensions to eliminate stress and surface rust cleaning.