Abstract. In this scientific article, the socio-psychological determinants of the prevention of suicidal behavior in adolescents, the wrong pedagogical-psychological influence in the process of education and upbringing, the negative impact on his personality characteristics and emotional states, on the basis of the suicidal behavior typical of this period It is about changes. The purpose of writing this article is to show that the violation of relations between a teenager and his social environment is often the reason for the manifestation of suicidal behavior. Result: Social-psychological determinants of suicidal behavior prevention in adolescents are shown on the basis of prevention, analysis and feedback.