The invention relates to a network communication field, which discloses a multi-service resource distribution method, a system, gateway equipment and an authentication server when several services of the same user are accessed in network. The method comprises receiving service request information which is sent by a first service terminal, getting service capability of the first service terminal, user mark and available resource number which is corresponded with the user mark, and distributing resource for the first service terminal according to the service capability of the first service terminal, user mark and available resource number which is corresponded with the user mark. Configurations of gateway equipment can be simplified through utilizing the invention, and scale deployments of different services are achieved.