A method, system, mapping forwarding server and access router for mobile communication control are provided in the present invention. The method includes a flow of sending a data message from a source mobile terminal to a destination mobile terminal, including the following steps: A, a source access router receiving a first data message sent by the source mobile terminal, and executing step B; B, encapsulating a location identifier according to an identity identifier in the first data message, and acquiring a second data message; forwarding the second data message to a destination access router connected to the destination mobile terminal according to the location identifier in the second data message; and C, the destination access router stripping out the location identifier encapsulation in the second data message to return the second data message to the first data message, and forwarding the first data message to the destination mobile terminal.