Swimming audition class is an early education for parents and children to swim on water. Swimming audition classes are provided by professional parent-child swimming early education institutions or coaches, which will provide a safe, comfortable and warm swimming environment for parents and babies. Through professional teaching methods and swimming AIDS, the baby can gradually adapt to the water environment, be familiar with water and swimming skills, and improve physical coordination and immunity. Parents can learn about the content and effect of parent-child swimming early education on water by observing the baby's performance and communicating with the coach, and decide to continue the regular course.