This article is devoted to the criminological analysis of crimes against the normal development of minors. The article highlights which institutions are important and significant for the normal development of adolescents, namely: school, family, public organizations and the media. In addition, the article provides an analysis of changes in time, structure and development trends of crimes against the normal development of adolescents. As materials for the analysis were taken statistical data for the Republic of Dagestan. On the problem mentioned in this article, there are already many views of various scientists. But, despite the available scientific research, this article can provide sufficient and comprehensive material for organizing and conducting relevant preventive work.