A vacuum cleaner includes a cleaner body housing a cyclone dust separating unit therein, a dust receptacle removably mounted in the cyclone dust separating unit, a carrying handle movable at a front of the dust receptacle to protrude out or withdraw in, for carrying of the dust receptacle, and a lifting unit to move in accordance with the protruding or withdrawal of the carrying handle, so as to lock the dust receptacle with the cyclone dust separating unit when the carrying handle is withdrawn in the dust receptacle, and to unlock the dust receptacle from the cyclone dust separating unit when the carrying handle protrudes out of the dust receptacle.