Local routing method, apparatus and system

A local routing method, apparatus and system are provided. The method includes: establishing a data transmitting path for a user device (101); judging the destination node of a data packet from the user device (102); if the destination node of the data packet is in a home network, sending the data packet to the destination node in the home network; if the destination node of the data packet is in an external network, sending the data packet to the destination node in the external network (103). The local routing apparatus and system are also provided.