Turntable shot blasting machine is suitable for cleaning flat, thin wall casting and heat treatment workshop, afraid of adhering sand on the surface of the oxide skin collision parts such as attachments. By blast cleaning, can not only remove the rust on the surface of the workpiece, remove the rust on the various artifacts, dirt, etc., and improve the surface quality of workpiece; At the same time, can improve the fatigue fracture resistance of processed workpiece, to prevent the fatigue failure, plastic deformation and brittle fracture, improve the fatigue life of dealing with the workpiece