根据1990年WHO报告,世界上大多数国家,尤其是发达国家,非故意伤害是青少年致伤、致残和致死的主要原因,是全球关注的公共卫生问题[1]。我国自20世纪90年代起,伤害死亡率超过了疾病,成为中小学生首位死因,伤害与疾病死亡人数之比为2.2∶1,其中,尤以非故意伤害危害突出。21世纪初 According to the 1990 WHO report, unintentional injury is the leading cause of injury, malaise and death among adolescents in most countries in the world, especially the developed countries. It is a public health issue of global concern [1]. Since 90s of last century, the mortality rate in our country surpassed the disease and became the first cause of death among primary and secondary school students. The ratio of injury to death toll was 2.2: 1, of which the unintentional injury was particularly harmful. Early 21st century