The embodiment of the invention discloses automatic cleaning and chamfering equipment which can realize automatic chamfering and cleaning of a pipe. The automatic cleaning and chamfering equipment comprises a front end system and a rear end system; the front end system and the rear end system are each provided with a chamfering device for chamfering the pipe; the chamfering devices are arranged oppositely in a spaced manner; the interior angle of the pipe is chamfered by the chamfering devices when the pipe is placed at a first station between the chamfering devices; and the exterior angle ofthe pipe is chamfered by the chamfering devices when the pipe is positioned at a second station between the chamfering devices. The front end system comprises a cleaning device which is positioned atone side of the corresponding chamfering device; and when the pipe is placed at a third station corresponding to the cleaning device, the cleaning device can be used for shooting a projectile into thepipe via one end of the pipe and shooting the projectile out of the pipe via the other end of the pipe in order to clean the pipe.