How to improve school safety is a question which worth every people think of. recently, there are several violent school event happened. it not only caused big affect on students but also lead whole society concern. if we can not provide a safety and peace environment to students. how can we create a good future of our country. in order to prevent campus violence, i think the whole society neet connect together to improve school safety. at first, partents need conside more their children safety to help student to emphsize their security awearness. secondly, campus need add security guard people and equipment.