It mainly refers to purifying the social environment, creating a good social environment conducive to the physical and mental health of teenagers, mobilizing social forces, and strengthening the education and protection of teenagers in order to control and reduce juvenile delinquency. It is necessary to intensify the crackdown and purify the social environment for the healthy growth of teenagers.

Juvenile delinquency refers to serious social harm committed by people aged 10 to 25. Juvenile delinquency is characterized by many gang crimes, many serious crimes, many sudden crimes, simple motives and purposes, mature, smart, young and repetitive means. Juvenile delinquency is a social problem faced by all countries in the world today, and its reasons are themselves, families, schools, society and justice.