The article studies the theoretical aspects of the concepts according to various authors, such as conflict, social conflict, conflict of interest in the public service, the nature of the conflict. The article considers a number of possible situations which can be a result of personal interest, which in turn could lead to a conflict of interests. The article includes definitions, such as the subject of the conflict, the object of the conflict, the conflict incident, relationship conflict, situations of conflict and it determines their importance in sociological conflicts. There is also a description of the subjective and objective causes of conflicts, as well as their relationship in the public service. Special attention is paid to the reasons causing conflicts in the public service, management techniques for resolving conflicts in the public service, such as intra-personal, structural and interpersonal, as well as possible solutions to them. The article considers compliance with the requirements for official behavior and resolving all conflicts of interests: their composition, requirements, operating procedure, the existing difficulties when implementing one’s functions. An important role in this article is attached to a control algorithm of actions, which is important for conflict resolution in the public service.