A fanning machine convenient for cleaning dust, comprising a machine body (1). The right side of the upper surface of the machine body (1) is provided with a feed hopper (2) that is in communication with an inner cavity of the machine body (1); the top of the right side of the machine body (1) is provided with a fan (3); an air outlet pipe of the fan (3) is in communication with the inner cavity of the machine body (1); the bottom of the front surface of the machine body (1) is equidistantly provided with discharge pipes (5) that are in communication with the inner cavity of the machine body (1); support legs (4) are welded at four corners at the bottom of the machine body (1). According to the fanning machine convenient for cleaning dust, a bearing (14) is mounted on a support rod (13) in an air exhaust pipe (7), a rotating shaft (16) is driven to rotate by means of rotation of a handle (9), so as to drive a brush (15) on a mounting plate (18) to clean the inner wall of the air exhaust pipe (7), and thus the
