The content of the article refers to the sources and manifestations of the conflict in the organization, which is treated as an indispensable element of human interpersonal relations, at whose bottom there is always a divergence of interests of the entities concerned. Due to the essence of conflicts in the organization, the study presents the basic strategies and methods as well as the effects of conflict management in the organization. The individual, group and inter-organizational conflict incidence model was indicated. It also refers to the importance of context and personality factors in shaping adverse events in the organization. At the same time, the areas of non-problematic conflict influence were pointed out, indicating their mobilizing and strengthening character relationship, depending on the level of occurrence of broadly understood differences of interests at the level of man, group and organization.