The invention discloses a membrane type one-way
breathing nose plug, relates to the field of the
sports equipment, belongs to the swimming instrument wearing on the head, and is a
nose plug used for
underwater activities such as swimming. The
nose plug comprises two parts: a semi-closed membrane type one-way
breathing device and a nose plug part; the semi-closed membrane one-way
breathing device comprises a breathing hole inlet, a breathing hole, a breathing hole outlet, a thin film, an air outlet and a film protective cover; the nose plug comprises a plug body, an anti-drop disc ring and a connecting bridge; the membrane type one-way
breathing nose plug can enable a user to easily breath in the water, the chest congestion feeling is reduced, and the comfort level is improved; the membrane type one-way
breathing nose plug can help the user to perform the coherent and smooth breath action by breathing in the water and inspiring after emerging from the surface, the cardiopulmonary
oxygen supply capacity is improved, and the
physical agility of the people in the water is enhanced; the nose plug is good in reverse closing effect and capable of effectively avoiding inhaling water; the nose plug is made of soft and
skin-friendly material so that the user feels comfortable after wearing the same; the nose plug is hard to drop off in use by use of the anti-drop disc ring; the nose plug has the
airflow guiding function, so that the exhaled bubble in use can flow out from the behind of the ear, and the vision before the eyes cannot be shielded.