Don't go into the water to rescue pupils who can't swim, and don't swim without parents or teachers. Don't go swimming where there are no safety facilities and ambulance personnel. Don't swim with classmates or others without permission. Don't play or swim alone in the water. Don't swim in unfamiliar rivers and ponds.
Extended data:
Precautions:
Don't be too hungry and full when you go into the water. Don't go into the water for an hour after a meal to avoid cramps. Try the water temperature before entering the water. If the water is too cold, don't go into the water.
If you swim in rivers, lakes and seas, you must have a companion. You can't swim alone. Observe the swimming environment before launching. You can't swim here if there is a danger warning.
Don't swim in the canyon with unclear geographical environment. The water in these places is different in depth and cold, and there may be obstacles in the water that hurt people, which is very unsafe.
People's Daily Online-Ministry of Education: Strengthening drowning prevention safety education requires students to achieve "six noes"