A textbook on the categorization of crimes (theory and practice). Chapter headings: Scientific foundations of the categorization of crimes. The concept and theoretical foundations of the categorization of crimes. Legal foundations of the categorization of crimes. Stages in the categorization of crimes. Categorization according to the constituent elements of a crime. Categorization of incomplete crimes. Categorization of crimes committed with accomplices. Categorization of multiple crimes. Categorization of crimes with competing criminal law norms. Unique features of categorization of various types of crimes. Categorization of crimes against the life and health of a person. Categorization of crimes against the sexual inviolability of a person. Categorization of crimes against properties. Categorization of crimes against public safety and order.