A measurement method for inter-frequency measurement for secondary cell addition in a communication system supporting carrier aggregation, comprising: (S501, S502) receiving, by a user equipment, UE , configuration information sent by a network device, wherein the configuration information is used by the UE to measure a to-be-measured object; and (S503a) determining, by the UE , whether the UE has a UE feature for performing a measurement, by determining, by the UE , whether the UE supports carrier aggregation; and (503a:Yes) upon determining that the UE has the UE feature for performing the measurement, measuring, by the UE , at least one to-be-measured object in a radio resource control RRC idle mode based on the configuration information, to obtain a measurement result of the at least one to-be-measured object; otherwise, (S503a:No) if the UE does not support carrier aggregation, the UE does not perform the measurement and the configuration information is discarded; wherein after the measuring, by the UE , at least one to-be-measured object in an RRC idle mode based on the configuration information, to obtain a measurement result of the at least one to-be-measured object, the method comprises: (S504) sending, by the UE , a measurement report to the network device, wherein the measurement report comprises report content of some or all of the at least one to-be-measured object, and the report content comprises identification ID information and the measurement result; wherein the configuration information further comprises bandwidth information of the to-be-measured object; wherein the measurement report comprises report content of to-be-measured objects arranged in descending order of measurement results. (S501, S502) receiving, by a user equipment, UE , configuration information sent by a network device, wherein the configuration information is used by the UE to measure a to-be-measured object; and (S503a) determining, by the UE , whether the UE has a UE feature for performing a measurement, by determining, by the UE , whether the UE supports carrier aggregation; and (503a:Yes) upon determining that the UE has the UE feature for performing the measurement, measuring, by the UE , at least one to-be-measured object in a radio resource control RRC idle mode based on the configuration information, to obtain a measurement result of the at least one to-be-measured object; otherwise, (S503a:No) if the UE does not support carrier aggregation, the UE does not perform the measurement and the configuration information is discarded; wherein after the measuring, by the UE , at least one to-be-measured object in an RRC idle mode based on the configuration information, to obtain a measurement result of the at least one to-be-measured object, the method comprises: (S504) sending, by the UE , a measurement report to the network device, wherein the measurement report comprises report content of some or all of the at least one to-be-measured object, and the report content comprises identification ID information and the measurement result; wherein the configuration information further comprises bandwidth information of the to-be-measured object; wherein the measurement report comprises report content of to-be-measured objects arranged in descending order of measurement results. (S504) sending, by the UE , a measurement report to the network device, wherein the measurement report comprises report content of some or all of the at least one to-be-measured object, and the report content comprises identification ID information and the measurement result; wherein the configuration information further comprises bandwidth information of the to-be-measured object; wherein the measurement report comprises report content of to-be-measured objects arranged in descending order of measurement results. <EOS>