According to the present invention, a vacuum cleaner, comprising: a cleaner main body having an inner suction motor and having an outer handle; and a suction nozzle connected to the cleaner main body. The suction nozzle comprises: a housing of which at least a portion of a front side is opened; and a rotary cleaning unit installed inside the housing, of which at least a portion is exposed through the opened portion of the housing, and formed to clean a floor surface by rotation. The rotary cleaning unit comprises: a cylindrical nozzle body installed to be rotated inside the housing; and fiber wool and metal wool disposed on the outer circumferential surface of the nozzle body.