The utility model provides a mud removing device of peanuts. The mud removing device comprises a cylinder body, a motor, a filtering cover arranged in the cylinder body and a cleaning mechanism. The cleaning mechanism is arranged in the filtering cover and fixed on the cylinder body. A circular bench is arranged on the inner wall of the bottom of the cylinder body in a protruding manner and is used for positioning the filtering cover. The motor is connected with the cleaning mechanism and drives the cleaning mechanism to rotate. According to the utility model, the cleaning mechanism is used for performing high-speed stirring in the filtering cover so as to clean peanuts; via the circular bench, muddy water and cleaned peanuts can be quickly separated, and mud sinks to the bottom of the cylinder body and is discharged from a water outlet; and the mud removing device is advantaged by remarkable cleaning effects, high efficiency and small water consumption.