An anchor handover method, comprising: receiving, by a target base station, an anchor handover request message sent by a source base station, wherein the source base station is a base station corresponding to a serving cell, as a Primary Cell, PCell, which currently provides service for a terminal and has a control and decision making right over a radio resource, the target base station is a base station corresponding to a Secondary Cell, SCell, which is controlled by the serving cell and currently provides service for the terminal, and the anchor handover request message is configured to request to handover the control and decision making right to the target base station; and sending, by the target base station, an anchor handover acknowledgement message to the source base station, wherein the anchor handover acknowledgement message is to acknowledge the anchor handover request message; wherein before receiving, by the target base station, the anchor handover request message sent by the source base station, user data sent to the terminal is simultaneously sent by the PCell corresponding to the source base station and the SCell corresponding to the target base station; characterized in that after receiving, by the target base station, the anchor handover request message sent by the source base station and before sending, by the target base station, the anchor handover acknowledgement message to the source base station, the method further comprises: receiving, by the target base station, an indication message sent by the source base station, the indication message comprising information indicating that Radio Resource Control, RRC, of the source base station is released and/or information indicating that RRC of the target base station is established; and forwarding, by the target base station, the indication message to the terminal. receiving, by a target base station, an anchor handover request message sent by a source base station, wherein the source base station is a base station corresponding to a serving cell, as a Primary Cell, PCell, which currently provides service for a terminal and has a control and decision making right over a radio resource, the target base station is a base station corresponding to a Secondary Cell, SCell, which is controlled by the serving cell and currently provides service for the terminal, and the anchor handover request message is configured to request to handover the control and decision making right to the target base station; and sending, by the target base station, an anchor handover acknowledgement message to the source base station, wherein the anchor handover acknowledgement message is to acknowledge the anchor handover request message; wherein before receiving, by the target base station, the anchor handover request message sent by the source base station, user data sent to the terminal is simultaneously sent by the PCell corresponding to the source base station and the SCell corresponding to the target base station; characterized in that after receiving, by the target base station, the anchor handover request message sent by the source base station and before sending, by the target base station, the anchor handover acknowledgement message to the source base station, the method further comprises: receiving, by the target base station, an indication message sent by the source base station, the indication message comprising information indicating that Radio Resource Control, RRC, of the source base station is released and/or information indicating that RRC of the target base station is established; and forwarding, by the target base station, the indication message to the terminal. receiving, by the target base station, an indication message sent by the source base station, the indication message comprising information indicating that Radio Resource Control, RRC, of the source base station is released and/or information indicating that RRC of the target base station is established; and forwarding, by the target base station, the indication message to the terminal.