A nursing bottle having an air return function, comprising a bottle body (5), a fixing cover (2), and a nipple (1), said bottle body (5) being open at one end and closed at one end further comprising: a venting component, used for exchange of gas between the interior of bottle body (5) and the exterior of bottle body (5) an airway (4), which is a gas-directing device open at both ends, the first opening (41) thereof and said venting component being connected a flexible check valve (7) disposed at the second opening (42) of airway (4) and located inside airway (4), and a cutout (71) arranged on flexible check valve (7) a fixing member (6) disposed at the second opening (42) of airway (4) and used for fixing flexible check valve (7) the air return device constituted by the venting component, airway (4), flexible check valve (7), and fixing member (6) is located inside bottle body (5). Using the nursing bottle reduces the occurrence while an infant is nursing of phenomena such as spitting and choking on milk and bloating furthermore, the production process for the nursing bottle is simple, facilitating large-scale commercial production the structure is simple and the nursing bottle is easy to clean.Linvention concerne un biberon doté dune fonction de retour dair, qui comprend un corps de biberon (5), un couvercle de fixation (2) et une tétine (1), ledit corps de biberon (5) étant ouvert à une extrémité et fermé à lautre extrémité qui comprend en outre un composant de ventilation utilisé pour léchange de gaz entre lintérieur du corps de biberon (5) et lextérieur du corps de biberon (5) un passage dair (4), qui est un dispositif guidant lair ouvert aux deux extrémités, sa première ouverture (41) et ledit composant de ventilation étant connectés un clapet anti-retour (7) souple placé au niveau de la seconde ouverture (42) du passage dair (4) et situé à lintérieur du passage dair (4) et une fente (71) formée sur un clapet anti-retour (7) souple un élément de fixation (
