Steel pipe shot blasting machine is suitable for exterior wall of steel shot blasting to remove the sticky surface on the sand, rust, oxide, dirt, etc. Therefore, the outer wall of steel shot blasting machine with powerful cleaning feature can make the metal surface showed character, to eliminate the internal stress of the workpiece, the workpiece to improve fatigue performance, to improve the quality of surface and internal purposes, and ultimately improve the machinery and metal profiles corrosion resistance, followed by the pipe outer wall of steel shot blasting machine can improve the fatigue performance and prolong its service life, optimizing the process of steel surface condition, to achieve complete cleaning purposes.