A Radio Resource Control, RRC, configuration method comprising: receiving, by a user equipment, an RRC configuration message from a first base station, characterised in that the RRC configuration message comprises first RRC configuration content and a channel configuration parameter; configuring, by the user equipment, an RRC connection between the user equipment and the first base station in response to the first RRC configuration content, and establishing an RRC connection to a second base station based on the channel configuration parameter; receiving, by the user equipment, second RRC configuration content from the second base station; configuring, by the user equipment, the RRC connection between the user equipment and the second base station in response to the second RRC configuration content; sending, by the user equipment, an instruction message and a signal measurement report to the second base station, wherein the signal measurement report includes signal quality corresponding to base stations detected by the user equipment when a radio link fails in the RRC connection between the user equipment and the first base station, wherein the instruction message and the signal measurement report are forwarded by the second base station to the first base station, wherein the instruction message and the signal measurement report are used to instruct the first base station to select a third base station as a target base station to be accessed by the user equipment, and the instruction message is further used to instruct the first base station to send access configuration information to the second base station; receiving, by the user equipment, the access configuration information from the second base station; and establishing, by the user equipment, an RRC connection to the third base station based on the access configuration information. receiving, by a user equipment, an RRC configuration message from a first base station, characterised in that the RRC configuration message comprises first RRC configuration content and a channel configuration parameter; configuring, by the user equipment, an RRC connection between the user equipment and the first base station in response to the first RRC configuration content, and establishing an RRC connection to a second base station based on the channel configuration parameter; receiving, by the user equipment, second RRC configuration content from the second base station; configuring, by the user equipment, the RRC connection between the user equipment and the second base station in response to the second RRC configuration content; sending, by the user equipment, an instruction message and a signal measurement report to the second base station, wherein the signal measurement report includes signal quality corresponding to base stations detected by the user equipment when a radio link fails in the RRC connection between the user equipment and the first base station, wherein the instruction message and the signal measurement report are forwarded by the second base station to the first base station, wherein the instruction message and the signal measurement report are used to instruct the first base station to select a third base station as a target base station to be accessed by the user equipment, and the instruction message is further used to instruct the first base station to send access configuration information to the second base station; receiving, by the user equipment, the access configuration information from the second base station; and establishing, by the user equipment, an RRC connection to the third base station based on the access configuration information.