Kerbstone polishing machine used for polishing stone surface. By using different size grinding heads and pads, it can achieve the smooth treatment of different surfaces of kerbstone, so that it has a good luster and touch. Use air pressure controls the lifting and lowering of the grinder, and the magnitude of the pressurization pressure is adjustable: the swinging beam drives the grinder, and the movement speed is adjustable; the belt conveyor workbench, and the belt running speed is adjustable: the electrical system adopts PLC and human-machine interface.The machine has 23 polishing heads including 2 fixed thickness,8 flat grinding,8 side grinding,1 oblique cutting, 4 chamfer,high automation to easy to operate and good grinding effect, which plays an important role in improving the decorative effect of kerbstone.