The invention discloses a diced fat meat cleaning system. The diced fat meat cleaning system comprises a first diced meat lifting machine, a first diced meat cleaning device, a second diced meat lifting machine, a second diced meat cleaning device, a third diced meat lifting machine and a diced meat drainage device which are connected in sequence. The first diced meat cleaning device and the second diced meat cleaning device are bubbling cleaning devices, and each bubbling cleaning device comprises a cleaning box, an air blast device and an oil-water separation filtering device, wherein an opening of the cleaning box faces upwards, a cleaning conveyor mesh belt is arranged in the cleaning box, an air blast pipe is arranged below the cleaning conveyor mesh belt, the air blast pipe is communicated with the air blast device, and a plurality of nozzles are arranged on the air blast pipe; the oil-water separation filtering device is arranged outside the cleaning box and provided with an inlet and an outlet, and the inlet and the outlet of the oil-water separation filtering device are communicated with the cleaning box. The first diced meat cleaning device is the hot bubbling cleaning device, and the second diced meat cleaning device is the cold bubbling cleaning device.