Abstract. This article discusses the research of the manifestation and development of competence factors in the activities of the inspector-psychologist and the improvement of his specific social-psychological factors, the determination of the social-psychological factors and components that develop the inspector-psychologist's social-psychological competence, the inspector-psychologist's communicative, research on the manifestation and development of emotional and personality components; in the development of the social-psychological competence of the inspector-psychologist, their connection with the social-legal system is revealed. Researching the psychological aspects of professional and social-psychological competence of employees in the world, research of socio-psychological factors of development of their professional competence, researches are being carried out to evaluate the professional competence of employees, to develop a set of special systematic psychological methods aimed at improving their professional competence, and to prevent crime. The impact of behavioral indicators on the professional activities of employees, their professional competence, in particular, improving the level of psychological preparation for professional activities by the Human Resources Professional Association (HRPA), particularly, to determine the socio-psychological factors and mechanisms of development of their professional competence, increasing the role of professional readiness of employees and determining the issue of their impact on the effectiveness of their activity is gaining urgent importance. In our republic increasing the efficiency of law enforcement agencies, special attention is being paid to the issues of further improvement of the system of training of inspector-psychologists on issues of minors and raising their level of professional training in recent years. Research on improving the professional competence of the inspector-psychologist on the issues of minors is of great importance in performing the important tasks specified in the legal documents. That's why, to increase the professional competence of inspector-psychologists on minor issues, to realize the characteristic features of their personal qualities, professional which directly affects the effectiveness of their professional activity through psychocorrective and developmental methods, formation of communicative and social-psychological competence factors is defined as an urgent problem.