The rapid dredging and cleaning device for the concrete conveying pump pipe comprises a machine base, a base, a rotating motor, a rotating rod and a feeding motor, a front inclined face and a rear inclined face are arranged on the machine base, and a guide rail and a rack are fixed to the front inclined face; the device is characterized in that the base is arranged on the two guide rails through sliding blocks, and a gear meshed with the rack is fixed to an output shaft of the feeding motor; the rotating motor is fixed to the base, the front end of the rotating rod is rotationally arranged onthe base through two bearings, a drill bit or a steel wire disc is fixed to the rotating rod, and the rotating motor drives the rotating rod to rotate through a meshed gear. And a pump pipe to be dredged or cleaned is fixed on the rear inclined plane. The rapid dredging and cleaning device for the concrete conveying pump pipe can rapidly dredge or clean the blocked pump pipe, and compared with previous manual cleaning, the labor intensity is reduced, the working efficiency is improved, damage to the pump pipe can be avoided, the beneficial effect is remarkable, and the rapid dredging and cleaning device for the concrete conveying pump pipe is suitable for application and popularization.