The possible causes of frequent swimming accidents are as follows:
Encounter sudden situations in natural waters such as rapids and eddies that have not been encountered in the swimming pool, resulting in swimming accidents;
Sudden cramp or collision with others during swimming, resulting in drowning due to nervousness or lack of experience;
In the process of swimming, swimming accidents occur because the body cannot continue to swim on the water surface due to physical overdraft;
Drowning accident caused by sudden serious disease during swimming.