The invention provides a business processing method and device. The method comprises the steps of adding a current data packet to a preset target queue according to a preset ordering rule; and carrying out business processing on the data packets in the target queue and the data packet in other non-target queues according to preset priorities of the data packets. In this way, when relatively many devices access a routing device, the business with the relatively high timeliness is not interfered by the business volume, and the timeliness of the business can be ensured.