A method for establishing a connection between a local gateway and a home base station, wherein the local gateway L-GW is connected to a serving gateway S-GW, and the S-GW is connected to a mobility management network element, characterized by comprising: receiving, by the mobility management network element, L-GW information sent by the home base station, and selecting an L-GW which is located in the same local network as the home base station at least according to the received L-GW information, so as to establish a local IP access for a UE that initiates a packet data network PDN connectivity request, wherein the L-GW information comprises: - a L-GW address, - a local network identity and/or a local network name, or - the L-GW address and an L-GW priority list; sending, by the mobility management network element, a create session request to the selected L-GW through the S-GW, and receiving a create session response returned by the selected L-GW; and carrying, by the mobility management network element, a local address of the selected L-GW in a bearer setup request that is sent to the home base station, and establishing, by the home base station, a connection between the home base station and the L-GW by using the received local address of the L-GW; wherein the carrying, by the mobility management network element, the local address of the selected L-GW in a bearer setup request that is sent to the home base station, and establishing, by the home base station, a connection between the home base station and the L-GW by using the received local address of the L-GW, comprises: sending, by the home base station, a create session request to the L-GW corresponding to the L-GW local address after the receiving the bearer setup request sent by the mobility management network element, wherein the create session request carries a local address of the home base station and/or a tunnel endpoint identifier TEID; and receiving, by the home base station, the create session response sent by the L-GW, wherein the create session response carries the local address of the L-GW and/or a tunnel endpoint identifier TEID. receiving, by the mobility management network element, L-GW information sent by the home base station, and selecting an L-GW which is located in the same local network as the home base station at least according to the received L-GW information, so as to establish a local IP access for a UE that initiates a packet data network PDN connectivity request, wherein the L-GW information comprises: - a L-GW address, - a local network identity and/or a local network name, or - the L-GW address and an L-GW priority list; - a L-GW address, - a local network identity and/or a local network name, or - the L-GW address and an L-GW priority list; sending, by the mobility management network element, a create session request to the selected L-GW through the S-GW, and receiving a create session response returned by the selected L-GW; and carrying, by the mobility management network element, a local address of the selected L-GW in a bearer setup request that is sent to the home base station, and establishing, by the home base station, a connection between the home base station and the L-GW by using the received local address of the L-GW; wherein the carrying, by the mobility management network element, the local address of the selected L-GW in a bearer setup request that is sent to the home base station, and establishing, by the home base station, a connection between the home base station and the L-GW by using the received local address of the L-GW, comprises: sending, by the home base station, a create session request to the L-GW corresponding to the L-GW local address after the receiving the bearer setup request sent by the mobility management network element, wherein the create session request carries a local address of the home base station and/or a tunnel endpoint identifier TEID; and receiving, by the home base station, the create session response sent by the L-GW, wherein the create session response carries the local address of the L-GW and/or a tunnel endpoint identifier TEID. sending, by the home base station, a create session request to the L-GW corresponding to the L-GW local address after the receiving the bearer setup request sent by the mobility management network element, wherein the create session request carries a local address of the home base station and/or a tunnel endpoint identifier TEID; and receiving, by the home base station, the create session response sent by the L-GW, wherein the create session response carries the local address of the L-GW and/or a tunnel endpoint identifier TEID.