A multi-stream service concurrent transmission method includes: a multi-interface terminal initiating a service transmission request to a network side; the multi-interface terminal receiving information of database servers capable of providing the requested service resources and service information of the requested service; the multi-interface terminal establishing a plurality of concurrent links with the database servers, dividing service data packets of the requested service, and notifying the network side of the division result; the multi-interface terminal receiving the service data packets of the requested service via the plurality of established concurrent links. The embodiment of the present document further correspondingly discloses a multi-stream service concurrent transmission subsystem, system and a multi-interface terminal.