According to children's cardiopulmonary function, Fan Hai believes that infant swimming can help children exercise their cardiopulmonary function and keep fit, and so can adults. Fan Hai's parent-child swimming adopts various teaching methods, including situational teaching method, game teaching method, bilingual teaching method, trp teaching method, music teaching method and various sensory teaching methods, which provides people with very good swimming teaching methods. Parent-child swimming has gradually formed a more valued project in Fan Hai, and it is also a popular brand in entrepreneurial projects.