The present invention relates to an inter-region handover method in a communication system. An inter-region handover method in a communication system according to the present invention comprises a region monitoring step, a region rescanning step, a region redecision step and a CoMP connection reconfiguration step in cases where a terminal moves between regions in a communication environment in which a communication area, in which at least one base station provides a service, is divided into at least two of at least one center region, at least one boundary region and at least one common region.