The invention discloses a cylinder block cleaning and chip removing device. The cylinder block cleaning and chip removing device comprises a cleaning pool, a cleaning barrel is arranged on the upper portion of the cleaning pool and fixedly arranged on a rotating shaft in the cleaning pool, the rotating shaft is connected with a driving motor, and the cleaning barrel can be driven to rotate on itsaxis through the rotating shaft. The barrel wall of the cleaning barrel is of a meshy structure and is provided with a feeding door capable of being opened and closed, a fixing buckle for fixing a cylinder block base is arranged at the bottom of the cleaning barrel, a spring buckle for fixing a cylinder block water cavity is arranged in the middle of the cleaning barrel, a nozzle mounting plate isarranged at the top of the cleaning barrel, and a plurality of nozzles corresponding to the cylinder block water cavity in position are mounted on the nozzle mounting plate. According to the cylinderblock cleaning and chip removing device, the cleaning barrel is rotated in the cleaning pool in cooperation with the multiple nozzles corresponding to the cylinder block water cavity in position, andthus a cylinder block can be cleaned comprehensively and thoroughly, and falling of iron chips cleaned off is facilitated; and the structure is simple, and the cylinder block is cleaned up.