Provided is a cleaning system and a lotus root digging machine with the cleaning system. The cleaning system comprises a digging device for digging lotus roots, a conveying device for receiving the lotus roots dug by the digging device and conveying the lotus roots from front to rear and a cleaning device, wherein the conveying device is arranged at the rear of the digging device, the cleaning device comprises a water suction pipe, a water pump, a filter, a plurality of water outlet pipes and a communication pipe, and the water suction pipe is connected with the water inlet end of the water pump through the filter and supplies water to the water pump; and the water outlet pipes are connected with the water outlet end of the water pump, the water outlets of the water outlet pipes are formedtoward the conveying device, and are used for spraying water and cleaning the lotus roots on the conveying device, and the water pump is connected with a water spraying pipe through the communicationpipe, and supplies water to the water spraying pipe. Through the cleaning system, the digging device can be provided with water for washing the to-be-dug lotus roots, and meanwhile the lotus roots conveyed on the conveying device can be cleaned, so that the cleaning system is simple and efficient, and the digging efficiency is improved greatly.