The present utility model discloses a seeder seed box cleaning device, including a first straw, a second straw fixedly connected to the first straw, a collection barrel connected to the second straw, a housing fixedly connected to the collection barrel, a direct current motor and a suction 5 fan that are installed in the housing, and a dust cleaning device installed in the housing, where the dust cleaning device is sequentially in communication with the first straw, the second straw, the collection barrel, the suction fan, and the direct current motor; a battery and a button for controlling a switch of the direct current motor are provided outside the housing; and the battery is electrically connected to the direct current motor. A motor is used to drive the suction fan to 10 generate a negative pressure inside the cleaning device, so as to collect the remaining seed in the box into a collection device. The above seed box cleaning method replaces manual seed box cleaning in the prior art, so that the seeder s
