Abstract: The present invention provides a potable vacuum cleaner with charging and discharging functions, which comprises a housing being composed of front housing and rear housing, a electric fan, a dust deposit casing with a dust filter formed in the front housing therein, an air inlet provided at the head of the front housing, characterized in that a vent of the cleaner is positioned at the rear end of the rear housing, and the size and profile of the air inlet and vent are matched with the interface of a connecting tube. The potable vacuum cleaner of the invention can be used for charging and discharging an air cushion bed, a pneumatic raft, and a large balloon etc., when a connecting tube is connected with the vent or the inlet of the cleaner, in addition to be used as a cleaner.