近年来，全国遭受勒索、抢动、绑架、拐卖、强奸、杀害等暴力伤害的中小学生，每年平均万名以上，而且这一触目惊心的数字仍在逐年上升。严峻形势的造成，固然有社会风气、治安状况等外部因素，但中小学生缺乏自我防范意识和能力，也是重要原因。因此家长帮助在中小学读书的子 In recent years, the number of primary and secondary school students suffering from violence such as extortion, looting, abduction, trafficking, rape and murder has averaged over 10,000 each year. And this shocking figure is still rising year by year. Although the severe situation has caused external factors such as social ethos and law and order situation, the lack of awareness and ability of primary and secondary school students is also an important reason. So parents help children in primary and secondary schools