Abstract: This article in chronological sequence examines the measures of preventing juvenile neglect and delinquency  over the period of 1917-1950 for the purpose of its implementation at the present stage, as well as determines the most prospect experience of organization of administrative activity of Socialist system aimed at prevention of juvenile delicts. The object of this research is the development trends of social relations of the bodies and institutions of the Socialist system of prevention of neglect and delinquency that form in the process of legal regulation and organization of human rights and law enforcement activities of the indicated system within the framework of 1917-1950. The subject of this research is the theoretical, organizational, administrative, and legal issues of the work of the bodies and institutions of Socialist system of prevention of juvenile neglect and delinquency over the period of 1917-1950; norms of administrative law, which establish the legal status and regulate procedures of realization of the human rights and law enforcement competences belonging to the indicated bodies and institutions. The main conclusion lies in substantiation of the revival of juvenile delinquency rooms in Russia established in 1941; they must be designed in accordance with the standards that require not less than three separate facilities (for inspector on juvenile division; lockable and equipped with vandal-proof soft wall panels for communication with juvenile delinquents; equipped with sleeping accommodations and toys for stray and neglected children).

Abstract: The scientific article contains recommendations about the improvement of work of minors’ affairs departments of internal affairs bodies by means of correcting the departmental legislation of the Ministry of Internal Affairs of Russia including Minors’ affairs departments regulations. The author offers the measures to improve the effectiveness of interaction of minors’ affairs departments with other departments and institutions of the system of juvenile offences prevention. The research object is the set of patterns and development trends of the system of social relations emerging in the process of legal regulation and organization of the activities of minors’ affairs departments officers. The research subject is the provisions of administrative law regulating the activities of minors’ affairs departments. The author uses general and special scientific research methods, theoretical, applied and empirical methods: general philosophical, formal-legal, comparative-legal, logical and theoretical, statistical, system. The scientific novelty consists in the fact that this is an applied work aimed at detailed studying administrative-legal, organizational and methodological problems forming the content and the order of administrative activity of minors’ affairs departments. The author formulates the ways to solve the detected problems.