According to an embodiment of the present disclosure, a method performed by a user equipment (UE) in a wireless communication system is provided. The method according to the embodiment includes evaluating a mobility execution condition based on first conditional mobility configuration information among a plurality of conditional mobility configuration information received from a network, executing conditional mobility based on the first conditional mobility configuration information when the mobility execution condition based on the first conditional mobility configuration information is satisfied, and releasing second conditional mobility configuration information different from the first conditional mobility configuration information from among the stored plurality of conditional mobility configuration information.