Traffic migration method, device and system, electronic equipment and storage medium

The invention discloses a traffic migration method, device and system, electronic equipment and a storage medium. The method is applied to the flow migration system, and the system comprises a switch, a network card and a target server; the network card is installed on the target server, the target server is provided with a plurality of cache queues and a plurality of corresponding processing processes, and each processing process processes data cached in the corresponding cache queue. The method comprises the steps: enabling the network card to receive to-be-processed data distributed by the switch; calculating a first target cache queue to which the to-be-processed data should be distributed according to the additional information; enabling the network card to determine a cache state of the first target cache queue; when the cache state of the first target cache queue is a full load state, enabling the network card to determine a second target cache queue according to cache states of other cache queues, whe