The present disclosure relates to method and apparatus for mobility management in wireless communication system. According to an embodiment of the present disclosure, a method performed by a wireless device in a wireless communication system comprises: receiving a first message comprising mobility commands of candidate target cells, each of the mobility commands being related to an index; receiving a second message comprising the index related to a first mobility command of a candidate target cell among the mobility commands, and a second mobility command of the candidate target cell; and updating the first mobility command based on the second mobility command.