Steel pipe inner and outer wall shot blasting machine is a combination of cleaning steel pipe inner and outer wall cleaning machine, through the shot blasting method to clean the outer surface of the steel pipe, through the shot blasting method to clean the inner surface, remove the internal and external sand, rust layer, welding slag, oxide and other debris, so as to obtain a fine smooth surface, improve the tensile and compressive strength of the workpiece, increase the adhesion for the internal and external wall paint protection, to achieve anti-corrosion, The purpose of protecting the pipe and extending the service life of the steel pipe.