A homecare suction device includes a main body having a housing. An air pump is mounted in the housing and in communication with an air outlet and an air inlet of the housing. A breast pump includes a cover mounted to an opening of a container for receiving a liquid. The cover includes a liquid sucking unit and an air sucking unit. The liquid sucking unit includes a liquid passage and a cup for contacting with an object. The air sucking unit includes an air passage and a connection port in communication with the air inlet of the main body. A funnel is mounted in the cover and in communication with the liquid passage, the air passage, and the interior of the container. The cover further includes a vent communicating the interior of the container with the outside. The air inlet is connected to the connection port by a hose.