The invention discloses a baking oven conveying net band cleaning device. The baking oven conveying net band cleaning device comprises a cylindrical metal brush, the metal brush is provided with a rotating shaft and brush bristles fixedly installed in the circumferential direction of the rotating shaft, the metal brush is installed under a baking oven conveying net band, the brush bristles can make tight contact with the net band, two ends of the rotating shaft are connected to a supporting seat in a rotatable manner, and one end of the rotating shaft is connected with a motor. The motor drives the metal brush to rotate to clean waste materials on the net band, labour and time are saved, the cleaning effect is good, the efficiency is high, the safety is high, automation can be achieved conveniently, problems existing in the prior art that manual cleaning is time-consuming and labor-consuming, and is poor in effect, low in efficiency and poor in safety are effectively solved, and the baking oven conveying net band cleaning device is advantaged in that the device is simple in structure and low in cost, and can be installed, dismounted, used and operated conveniently and quickly.