青少年犯罪已经成为一个不容忽视的社会问题。青少年犯罪形式呈多样化,犯罪主体呈低龄化,犯罪手段呈智能化。青少年犯罪的主要原因有家庭因素、学校因素、社会因素。为了预防和减少青少年犯罪,全社会必须构建对青少年思想教育的立体网络。 Juvenile delinquency has become a social issue that can not be ignored. The forms of juvenile delinquency are diversified, the criminal subjects are getting younger and the criminal means are intelligent. The main reasons for juvenile delinquency are family factors, school factors and social factors. In order to prevent and reduce juvenile delinquency, the whole society must build a three-dimensional network of teenagers’ ideological education.