A device for notifying about a correct feeding posture of an infant with a feeding apparatus, said device comprising: At least one tilting means sensor for sensing the tilt angle of said feeding apparatus； an output means for alerting when said feeding apparatus is in the correct feeding posture； wherein, said device is attached to said feeding apparatus and according to the sensing of said tilting means sensor the output means alerts whether the feeding apparatus feeding posture is in the correct feeding posture.
