This article deals with the issues of psychological health and socio-psychological development of adolescents in the conditions of modern development of society. The essence and content of the concept of psychological health in modern society are theoretically analyzed. Psychosocial development, psychological characteristics and personal qualities of adolescents are described. The author notes the direct influence of the surrounding social environment on the formation of a teenager's personality and on the psychosocial development of adolescents and the younger generation in the context of the globalization of modern society. In this article, the authors analyze in detail the theoretical concepts and scientific views of prominent scientists. The article also discusses the personal development and formation of the personality of a teenager in modern society. Factors and stages of self-awareness formation in adolescence are described.