A relay node handover method, comprising: receiving, by a target base station, a handover request sent by a source base station serving a relay node; acquiring, by the target base station, first transport network layer, TNL, information from the source base station, wherein the first TNL information comprises first stream control transmission protocol, SCTP, association information and/or first user plane transport address information; and establishing, by the target base station, a connection with the relay node according to the first TNL information; sending, by the target base station, second TNL information to the source base station according to the first TNL information, wherein the second TNL information comprises second SCTP association information and/or second user plane transport address information; wherein, the sending, by the target base station, second TNL information to the source base station according to the first TNL connection state information, comprises: configuring, by the first target base station, the second TNL information based on the first TNL information, and sending, by the target base station, the updated second TNL information to the source base station if the target base station confirms, according to the first TNL information, that at least one control plane transport address of the source base station and the relay node is unavailable, and/or that at least one user plane transport address of the source base station and the relay node is unavailable. receiving, by a target base station, a handover request sent by a source base station serving a relay node; acquiring, by the target base station, first transport network layer, TNL, information from the source base station, wherein the first TNL information comprises first stream control transmission protocol, SCTP, association information and/or first user plane transport address information; and establishing, by the target base station, a connection with the relay node according to the first TNL information; sending, by the target base station, second TNL information to the source base station according to the first TNL information, wherein the second TNL information comprises second SCTP association information and/or second user plane transport address information; wherein, the sending, by the target base station, second TNL information to the source base station according to the first TNL connection state information, comprises: configuring, by the first target base station, the second TNL information based on the first TNL information, and sending, by the target base station, the updated second TNL information to the source base station if the target base station confirms, according to the first TNL information, that at least one control plane transport address of the source base station and the relay node is unavailable, and/or that at least one user plane transport address of the source base station and the relay node is unavailable. configuring, by the first target base station, the second TNL information based on the first TNL information, and sending, by the target base station, the updated second TNL information to the source base station if the target base station confirms, according to the first TNL information, that at least one control plane transport address of the source base station and the relay node is unavailable, and/or that at least one user plane transport address of the source base station and the relay node is unavailable.