中学生正处于青春期,心理学上把这一时期称为“过度年龄”时期,也称心理“断乳期”。在这一时期,中学生从善则良,趋势则劣,一旦不慎极易误入歧途。经统计,15岁～18岁是违法犯罪高峰年龄。可见中学正是青少年违法犯罪的易发期。要想保证学生健康成长,就必须认真剖析中学生品德不良与违法犯罪的主客观原因,并及时引导、教育和纠正。一、造成中学生品德不良与违法犯罪的客观因素 Middle school students are in adolescence, psychology called this period “over age ” period, also known as psychological “weaning period ”. During this period, secondary school students are good and trend is poor. Once inadvertently, they can easily go astray. According to statistics, 15 years old to 18 years old is the peak age of criminal offense. It can be seen that middle school is an easy period for juvenile delinquency. In order to ensure the healthy growth of students, we must carefully analyze the subjective and objective reasons of the bad morality and the criminal behaviors of middle school students, and guide, educate and correct them in time. First, to create a secondary school students bad moral character and crime objective factors