青少年犯罪是指10至25岁的人实施的具有严重社会危害性的行为。青少年犯罪存在着:犯罪年龄低龄化、犯罪主体多元化、暴力倾向常态化、犯罪工具科技化、犯罪形式成人化等特点。青少年犯罪有其社会原因、学校原因、家庭原因等原因造成,我们要采取社会、学校、家庭等不同的预防方法,对青少年犯罪进行预防。 Juvenile delinquency is a grave social harm committed by persons between 10 and 25 years of age. Juvenile delinquency exists: the younger age of criminality, the diversification of criminal subject, the normalization of violent tendency, the criminalization of science and technology and the adultization of criminal patterns. There are social causes, school reasons and family reasons for juvenile delinquency. We should take preventive measures such as social, school and family prevention measures to prevent juvenile delinquency.