Abstract: The subject of this research is the origins of the current conflict in the South-Eastern Ukraine. The author examines the theoretical aspects of the conflict, as well as the main points of view upon the genesis and regulation of the conflict in general. From the general theoretical background, the author shifts towards the consideration of the special– conflict in the South-Eastern Ukraine. The article draws analogies between the psychology of the conflict and general psychology, views the theory of “ruins” in history of the Ukrainian statehood. For comprehensive examination of the situation, the author uses the structural-functional and socio-psychological methods of research. The main contribution of the author lies in the scientific review of the course of events of the current Ukrainian conflict, as well as the advancement of forecasts of future development of the events in the indicated territories, considering the enacted law “on Reintegration of Donbass”. The scientific novelty consists in the fact that the origins of this conflict are examined from not only the historical perspective, but the standpoint of the psychology of conflict as well.