The present invention relates toa ventilate feeder. The ventilate feedercontaina bottle and an undertaking block. The bottle has a circle wall . The wall with a blowhole that connecting the bottle. The undertaking block fixed to the end of the bottle and with a cover which correspond the bottle wall. The cover can close the blowhole. Therefore, feeder can be attained internal and external pressure to maintain a balance, and avoid the negative pressure generated between the process of baby sucking. Infantsalso do not need to take the trouble again to sucking milk laboriously. Achieve the purpose of easy feeding.本發明係關於一種透氣奶瓶,此透氣奶瓶包括一瓶身以及一承接座,瓶身具有一周壁,周壁設有連通瓶身內部的一透氣孔;承接座固定在瓶身的末端,承接座對應周壁設有一掀蓋,掀蓋可活動地蓋合透氣孔。藉此,使嬰幼兒吸吮過程中,真正能達到奶瓶內部與外部壓力維持平衝,避免負壓產生,嬰幼兒再也不必費力吸吮奶水,達到輕鬆餵食的目的。1‧‧‧瓶身11‧‧‧周壁111‧‧‧凹陷部112‧‧‧凹口113‧‧‧透氣孔114‧‧‧缺口115‧‧‧卡槽2‧‧‧承接座21‧‧‧環壁211‧‧‧卡榫212‧‧‧凹槽213‧‧‧剖槽214‧‧‧爪部22‧‧‧掀蓋221‧‧‧固定孔222‧‧‧翼部223‧‧‧突出塊23‧‧‧塞塊231‧‧‧凸部232‧‧‧抵接部3‧‧‧奶嘴4‧‧‧旋轉套環
