The invention discloses a removing system for oxide skin on the surface of a steel band, and belongs to the technical field of rinding of the steel band. The removing system disclosed by the invention comprises a machine frame, and a guiding roll, a position guide roll, a rinding machine, a dry brushing machine and conveying rolls which are sequentially distributed on the machine frame, wherein the rinding machine comprises an upper jaw roll mechanism, rinding rolls, a regulating screw rod, a hydraulic cylinder and a lower jaw roll mechanism, the upper jaw roll mechanism is hinged to one end of the lower jaw roll mechanism, and the rinding rolls are crosswise arranged on the lower jaw roll mechanism and the upper jaw roll mechanism; the dry brushing machine comprises a brush roll moving mechanism and an elevating mechanism; the conveying rolls comprise an upper conveying roll, a lower conveying roll and a fixing plate, wherein a cleaning plate is arranged above the upper conveying roll, and the cleaning plate is in contact with the roll surface of the upper conveying roll. According to the removing system disclosed by the invention, the oxide skin on the surface of the steel band can be effectively removed, so that the service life of the dry brushing machine can be effectively prolonged, and the production cost is reduced.