A service provisioning method comprises: a corresponding relation between the physical address of a terminal and the service information of a user is stored in a service server; after a service request from the terminal is receipted by the service server, the service requested for the user is determined by the service server according to the physical address of the terminal and the corresponding relation between the physical address of the terminal and the service information of the user; and the service is provided to the terminal by the service server. A service provisioning system comprises the terminal and the service server. The method and the system can realize the service provision automatically.