A method for implementing a residential gateway service function, and a server are disclosed. The method may include: receiving, by a server, a data packet forwarded by a residential gateway (RGW) or a network side; identifying, by the server, a service type of the data packet according to information carried in the data packet; and providing, by the server, based on the service type of the data packet, a virtual residential gateway service for a user terminal connected to the RGW.