A method for system information, comprising: configuring a system information block, wherein the system information block comprises a dual-connectivity, DC, indicator, and wherein the dual connectivity comprises a plurality of types of dual connectivity, the DC indicator is configured to indicate whether a cell supports dual connectivity and further configured to indicate whether a plurality of Public Land Mobile Networks, PLMNs, support the dual connectivity, and the cell is shared with the plurality of PLMNs; and transmitting the system information block to a user equipment, UE; characterized in that the method further comprises: when the DC indicator indicates that a cell using one radio access network technology supports dual connectivity for a heterogeneous network, configuring the dual connectivity for the heterogeneous network for the UE based on a measurement report on another cell for another radio access network technology sent by the UE; wherein each type of dual connectivity is assigned a single DC indicator, each DC indicator comprises at least one set of bits, a number of the at least one set of bits is equal to a number of the PLMNs, each set of bits comprises one bit, and a value of each bit is configured to indicate whether the corresponding PLMN supports a corresponding type of dual connectivity. configuring a system information block, wherein the system information block comprises a dual-connectivity, DC, indicator, and wherein the dual connectivity comprises a plurality of types of dual connectivity, the DC indicator is configured to indicate whether a cell supports dual connectivity and further configured to indicate whether a plurality of Public Land Mobile Networks, PLMNs, support the dual connectivity, and the cell is shared with the plurality of PLMNs; and transmitting the system information block to a user equipment, UE; characterized in that the method further comprises: when the DC indicator indicates that a cell using one radio access network technology supports dual connectivity for a heterogeneous network, configuring the dual connectivity for the heterogeneous network for the UE based on a measurement report on another cell for another radio access network technology sent by the UE; wherein each type of dual connectivity is assigned a single DC indicator, each DC indicator comprises at least one set of bits, a number of the at least one set of bits is equal to a number of the PLMNs, each set of bits comprises one bit, and a value of each bit is configured to indicate whether the corresponding PLMN supports a corresponding type of dual connectivity. when the DC indicator indicates that a cell using one radio access network technology supports dual connectivity for a heterogeneous network, configuring the dual connectivity for the heterogeneous network for the UE based on a measurement report on another cell for another radio access network technology sent by the UE; wherein each type of dual connectivity is assigned a single DC indicator, each DC indicator comprises at least one set of bits, a number of the at least one set of bits is equal to a number of the PLMNs, each set of bits comprises one bit, and a value of each bit is configured to indicate whether the corresponding PLMN supports a corresponding type of dual connectivity.