Following the environmental pollution, the spread of drugs after the third-largestsocial nuisance minors crime sparked widespread concern and attention of the worldcommunity. Juvenile delinquency in China in recent years increasingly severesituation and continue to show the trend of younger age. China Juvenile DelinquencyResearch statistics show that juvenile delinquency in China from1998to2003theaverage age has dropped by2years of age, accounting for74%of the nationalcriminal juvenile delinquency in2005, a...