Embodiments of the present disclosure provide a data processing method and a device. The method includes: determining, by a controller, a data packet filtering rule and a data forwarding path; sending, by the controller, the data packet filtering rule and configuration information carrying the data forwarding path to a first node, where the filtering rule is used to match configuration information corresponding to a data packet of the first node, the configuration information includes routing information corresponding to each node in the data forwarding path, routing information includes a queue identifier which is used to identify a transmission queue to which the data packet belongs; forwarding, by the first node and a remaining node, the data packet.