1, don't swim in the water without permission;

2. Don't swim with others without authorization;

3. Don't swim without parents or teachers;

4. Swimming in waters without safety facilities and rescuers;

5. Don't swim in unfamiliar waters; Students who are not familiar with water are not allowed to go into the water for rescue;

6. Don't swim in streams and rivers on the way to and from school.

7. Don't blindly go into the water for rescue.

Summer is a high incidence period of drowning accidents, and the process of drowning is very fast, usually 4-5 minutes or 6-7 minutes can lead to death due to respiratory heartbeat stop. In China, about 59,000 people drown every year, among which minors account for more than 95%. Drowning is called the first killer of abnormal death of primary and secondary school students.

Self-rescue method for drowning:

1, don't panic after falling into the water, be sure to keep a clear head. Quietly put your head back, mouth up, nose and mouth out of the water, then you can breathe.

2. Take a shallow breath, take a deep breath, and float on the water as much as possible, waiting for others to save you. Generally, drowning is caused by calf gastrocnemius spasm. Be calm and call for help in time. I held my body in a ball and floated to the surface.

3. Take a deep breath, immerse your face in the water, and pull the cramped (cramped) lower limb thumb forward and upward, so that the thumb will be lifted and continue to exert force until the severe pain disappears and the cramp naturally stops.

4, the same part can cramp again after the attack, so the pain should be fully massaged and slowly swam to the shore, and it is best to massage the affected area after landing.

5. If the wrist muscles cramp, you can bend your fingers and stretch them up and down, and swim with your feet in supine position.

Clinical manifestations of drowning:

1, symptoms

People near drowning may have headache or visual impairment, severe cough, chest pain, dyspnea and pink foam-like sputum. People who drown in the sea will obviously feel thirsty. In the first few hours, they may have chills and fever.

2. Symbols

The skin is cyanotic, the face is swollen, the bulbar conjunctiva is congested, and the nose and mouth are full of foam or mud. Mental state changes often occur, such as irritability, convulsions, lethargy, coma and increased muscle tension. Breathing becomes shallow, rapid or stops. Dry and wet rales can be heard in the lungs, with occasional wheezing. Arrhythmia, weak or disappearing heart sounds. Abdominal swelling, cold limbs. Sometimes head and neck injuries are found.