The object of study - the processes of government activity prosecution. The purpose of the study - improving the state mechanism to increase the efficiency of the prosecutor's office, as an organization, by developing a system of motivation prosecutor-investigatory workers on the basis of conceptual positions and methodological approaches of systems theory, psychology, and organization theory. Methods of research - the methods of organizational analysis, comparative analysis, a method of generating, methodical, systematic and deductive approaches. Practical importance are recommendations for improving the system of motivation prosecutors and investigative personnel, a methodical approach to the formation of motivation in government, based on establishing a connection between the function of a social institution, the mission of the organization, the type of organizational values and dynamics settings "I"-position the employee. The scientific novelty of the research lies in the fact that for the first time a methodical approach to the formation of the motivation system in government is based on communication between the function of a social institution, the mission of the organization, the type of organizational values and dynamics settings "I"-position of the employee; its implementation will improve effectiveness of the public authorities. Multi-parameter approach to evaluating the effectiveness of the prosecutor's office, which is based on a model of organization based on the concept of its role as a public institution within the framework of the structural functionalist T. Parsons, whose mission is to support the implementation of the functions of the sample is carried out in the community and by protecting the rule of law; incentives prosecutor-investigatory workers, formed on the basis of conceptual positions and methodological approaches of systems theory, psychology, and organizational theory and aimed at improving the efficiency of the organization as a prosecutor, a methodical approach to the formation of motivation system, which takes into account not only the nature of the organization objectively defined factors "I" positions but also those that will eventually cease to be relevant, which ensures the effectiveness of the system in the dynamics of motivation, improved. The method of the incentive system of reinforcement in the prosecution was further developed by supplementing it with two provisions: ratings of prosecutor-investigatory workers, aimed at increasing the level of competition, competition within the professional group and the decreasing ratio of wages, which comes into force in omission in the course of the employee's official duties.