A radio bearer processing method by a user equipment, the method comprising: determining, by a user equipment, to perform processing of suspending a Split bearer; transmitting, by the user equipment, a suspend indication to a first base station; and suspending, by the user equipment, data transmission of the Split bearer on a second base station; transmitting, by the user equipment, a plurality of second measurement results to the first base station, wherein the plurality of second measurement results are results periodically obtained by measuring at least one of the following measurement objects: signal strength of the second base station, signal quality of the second base station, and a quantity or volume of data packets to be sent by the user equipment over the bearer; receiving, by the user equipment, a resume command from the first base station, wherein the resume command is used to instruct the user equipment to resume the data transmission of the bearer on the second base station; performing, by the user equipment, data transmission of the bearer on the second base station; wherein the determining, by a user equipment, to perform processing of suspending a Split bearer specifically comprises: determining, by the user equipment, according to a first measurement result measured by the user equipment, that data transmission of the Split bearer on the second base station needs to be suspended, wherein the first measurement result is obtained by the user equipment by measuring at least one of the following measurement objects: a status of a radio link between the user equipment and the second base station, signal strength of the second base station, signal quality of the second base station, and a quantity or volume of data packets to be sent by the user equipment over the Split bearer. determining, by a user equipment, to perform processing of suspending a Split bearer; transmitting, by the user equipment, a suspend indication to a first base station; and suspending, by the user equipment, data transmission of the Split bearer on a second base station; transmitting, by the user equipment, a plurality of second measurement results to the first base station, wherein the plurality of second measurement results are results periodically obtained by measuring at least one of the following measurement objects: signal strength of the second base station, signal quality of the second base station, and a quantity or volume of data packets to be sent by the user equipment over the bearer; receiving, by the user equipment, a resume command from the first base station, wherein the resume command is used to instruct the user equipment to resume the data transmission of the bearer on the second base station; performing, by the user equipment, data transmission of the bearer on the second base station; wherein the determining, by a user equipment, to perform processing of suspending a Split bearer specifically comprises: determining, by the user equipment, according to a first measurement result measured by the user equipment, that data transmission of the Split bearer on the second base station needs to be suspended, wherein the first measurement result is obtained by the user equipment by measuring at least one of the following measurement objects: a status of a radio link between the user equipment and the second base station, signal strength of the second base station, signal quality of the second base station, and a quantity or volume of data packets to be sent by the user equipment over the Split bearer.