The present specification discloses a venting device for a baby bottle, which can be easily washed, and wherein a simple structure creates a vacuum state when released. Therefore, a baby can consume milk with a minimum of air bubbles generated in the bottle. The baby bottle with the venting device comprises: a through-hole for connecting the inside of the tube with the atmosphere a rod which is longer than a thickness of the through-hole and inserted in and coupled with the through-hole and one or more fine air paths for connecting the inside thereof with the atmosphere by being formed between an inner part of the through-hole and an outer surface of the rod.COPYRIGHT KIPO 2015본 발명은 유아용 젖병에 있어 젖병내부의 진공을 해소하기위한 구조가 간단하고 세척이 쉬우면서 젖병내의 우유에 최대한 공기버블이 발생하지 않게하여 아기가 섭취하도록 하는 통기 장치에 관한것이다.
