A potato peeling and cleaning machine belongs to the field of agricultural product cleaning machines and is composed of a cleaning mesh cage, a water supply device and a sewage discharging device. A feeding port is arranged at the upper end of the cleaning mesh cage, a stirring shaft is arranged in a cavity of the cleaning mesh cage, the upper end of the stirring shaft is connected with a motor, the motor is fixed at the upper end of the cleaning mesh cage, a discharging port is arranged in the middle of the cleaning mesh cage and provided with a movable blocking plate, and one end of the movable blocking plate is fixed on the cleaning mesh cage and capable of rotating axially. Three friction plates are arranged on the stirring shaft and separated every a distance of 10-15cm, a plurality of upper hairbrushes and lower hairbrushes are arranged at the lower portion of the stirring shaft, one upper hairbrush and one lower hairbrush are separated every a distance of 10-15cm on the stirring shaft and fixed on the stirring shaft symmetrically, upward soft fibers are arranged on the upper surface of each upper hairbrush, a plurality of protrusions are arranged on the upper surface of each lower hairbrush, and downward hard fibers are arranged on the lower surface of each lower hairbrush. Sewage passes through a porous plate, sludge falls onto the plate, and water is pump back to the top end of the cleaning mesh cage through a water pump and water pipe. The potato peeling and cleaning machine is used for cleaning potatoes, quick, clean, and convenient to disassemble and clean, and waste of water resources is reduced.