Abstract: The topicality of the issue under consideration is determined by the circumstance that during the post-bipolar period the armed conflicts gained widespread currency within which the UNO held and continues to hold peace-keeping operations, moreover, after termination of the cold war another form of such operations appears preventive deployment of the UNO forces as one of the methods of preventive diplomacy. The objective of the study consists in analysis of the activity of the peace-keeping mission of the UNO in Macedonia and the prospects of the preventive deployment for settlement of potential international conflicts as well as conditions required for successful implementation of this form of peace-keeping. The materials of the study may be useful during the process of further studies of the preventive deployment issue and directly during the process of conducting the peace-keeping operations.