Dialectical relationship between education and psychological development? Education and psychology are dialectical unity. The development of pedagogy can promote the development of psychology, and the research of psychology can also promote the development of education. This paper discusses the important differences and work emphases between positive psychological education and traditional mental health actions, and expounds the dialectical relationship between psychological education and psychological development of contemporary teenagers, aiming at revealing the laws affecting the quality of psychological development of teenagers and providing some psychological basis for optimizing the overall psychological quality of Chinese teenagers and making them grow up healthily.