More and more cars into our family life, improve all of our lives, but it also brings many problems, such as traffic congestion and traffic accidents, to the family and the societybrings the enormous harm, as students, we should caution against people, don't drink and drive, do not drink and drive, to the people around you safe, to avoid the occurrence of the accident, to remind people to cross the road along the sidewalk on the road, don't play, so as to avoid accidents