The drowning prevention education "1530" stipulates that students should be given safety reminders and safety education every day 1 minute, 5 minutes every week and 30 minutes every holiday. The school pays special attention to two key tasks: first, safety reminders during key periods such as after school, weekends, holidays and summer vacations; Second, rural children, left-behind children, children from divorced families and other key groups should focus on preventing safety accidents such as drowning.