The article discusses modern types of addictive behavior of children and adolescents, shows the contents of the social and educational activities for the prevention of socio-psycho-pedagogical phenomenon. The authors analyze the main causes and consequences of children's and adolescent addictive behavior. The authors distinguish the psychological characteristics of children and adolescents who are prone to addictive behavior, indicate the need for ethics and social teaching of psycho-diagnostics. The article gives examples of techniques that identify psychological and pedagogical predisposition to various types of relationships.