An electric breast pump includes an adapter seat, a breast pump cover body, a heating cover body, a milk collection bottle and a catheter module. The adapter includes a first opening, a second opening and a third opening. The breastshield body includes a mouth portion and a neck portion. The heating hood body is attached to the back surface of the hood mouth portion through the neck mouth portion. The breast shield body is joined to the second opening through the neck and mouth portion to be connected to the adapter. An electric socket is provided on the back of the heating cover. The baby bottle is connected to the adapter. The catheter module is joined to the first opening and connected to the adapter, and includes a cover, a first catheter and a second catheter. The cover is disposed in the first opening. The first conduit is used to transmit power to the heating cover. The second duct extracts the air in the adapter cavity through the opening.一種電動吸乳器，包括轉接座、吸乳罩體、加熱罩體、集乳瓶及導管模組。該轉接座包括第一開口、第二開口與第三開口。該吸乳罩體包括罩口部及頸口部。該加熱罩體通過該頸口部而穿套貼附於該罩口部的背面。該吸乳罩體通過該頸口部接合於該第二開口以連接至該轉接座。該加熱罩體的背面設有電氣插座。該集乳瓶連接在該轉接座。該導管模組接合在該第一開口而連接該轉接座，包括蓋體、第一導管以及第二導管。該蓋體設置在該第一開口。該第一導管用以傳輸電力至該加熱罩體。該第二導管經由該開孔抽取該轉接座腔體內的空氣。
