An auxiliary device and method for learning to swim

The present invention relates to the field of swimming supplies, particularly relates to apparatus and method for assisting learning to swim, including nasal wearable components, the one-way exhalation valve assembly, the sensor assembly, warning component, energy storage component, a controller; by increasing the nose wearable component and one-way exhalation valve assembly is designed to achieve a pool of water to prevent the nose into the nasal cavity and to ensure the function can be performed on demand of the exhalation; wearable design by increasing the nose assembly and the sensor assembly, to the nasal cavity by the humidity information accurately reflect the purpose of drowning swimmer or not; by increasing the alert assembly is designed to achieve the effect of providing timely reminder to correct swimming strokes learners and learners and drowning warning for swimmers swim coach, swim to help learners achieve breakthroughs in technology related breathing and movement off, while ensuring safe swimming learners; therefore, the invention, security, high reliability, easy to use, has good application prospects and market value.