The present invention provides a milk collecting device which is simple in structure, easy to clean, and self-operating without the assistance of others, and which is extremely convenient to use. The technical means comprises: a syringe having an accommodating space therein, and a front end opening and a rear end opening of the front and rear ends of the needle barrel; a needle core whose rear end is exposed outside the needle barrel and the front end Provided in the accommodating space and capable of sliding forward and backward in the accommodating space; and a milk taking component having a sleeve protruding outwardly from the front end of the barrel and having a hollow shape The other end has a cover portion opposite to the sleeve and for abutting against the areola of the user, the cover portion is recessed in the direction of the sleeve with a tapered groove communicating with the sleeve, the tapered groove and the sleeve The tube has an output passage extending through the tapered groove and the sleeve, so that the user can collect the extruded breast milk in the syringe to feed the baby.本新型在於提供一種結構簡單又容易清洗,並且可自行操作不需他人輔助,使用上極為便利的集乳器。其技術手段包括:一針筒,其內部具有一容置空間,且該針筒前、後端具有一前端開口及一後端開口;一針心,其後端露出於該針筒外、前端設置於該容置空間內、並能於該容置空間內前、後滑移;以及一取乳元件,其一端具有一向外突出並與該針筒的前端開口連接且呈中空狀的套管、另端具有一相反於該套管並用於抵靠使用者之乳暈的罩部,該罩部往該套管方向凹入有一與該套管相通的錐形槽,該錐形槽與該套管之間具有一貫穿該錐形槽與該套管的輸出通道,如此一來,使用者可將擠出後的母乳收集於針筒中,以便餵食嬰兒。