Packing scale having dust removal function

A packing scale having a dust removal function comprises a rack and a powdery material weighing device, wherein the powdery material weighing device is arranged on the rack. The packing scale is characterized in that the powdery material weighing device comprises a fixed hopper, a weighing sensor, a bag clamping device, a belt conveyer and a dust remover, wherein a soft cloth bag is arranged on the inner wall of the fixed hopper, a circle of rubber hoop is arranged on the outer side of a discharge port of the fixed hopper, one end of the weighing sensor is connected with the rack, the other end of the weighing sensor is connected with the bag clamping device, and an air pipe of the dust remover is connected with the soft cloth bag. According to the packing device having the dust removal function, the error caused by material sticking is greatly reduced in the packing process, the precision is high, the dust is better controlled, and the problems of low weighing precision of the packing scale and severe environment of the working site are better solved.