A cleaner comprising: a main body that forms an external shape, and including: a suction unit configured to guide air containing dust into the main body; a first cyclone unit configured to separate dust from air suctioned through the suction unit ; a second cyclone unit configured to separate dust from air discharged from the first cyclone unit ; a dust container that is separably combined with the main body and configured to store dust separated from air by the first and second cyclone units ; a dust container cover that is configured to open and close the dust container ; and a suction motor configured to generate suction force to thereby suction air; a handle unit , disposed behind the dust container , including a handle and a battery housing provided at a lower side of the handle and configured to receive a battery ; and an operating member configured to operate the dust container cover to be rotated; wherein a hinge for rotating the dust container cover is positioned opposite to the battery housing with respect to a center axis of cyclone flow of the first cyclone unit ; characterized in that : the suction motor is located over the second cyclone unit with respect to a center axis of cyclonic flow of the first cyclone unit ; and the dust container is positioned opposite to the suction motor with respect to the second cyclone unit . a main body that forms an external shape, and including: a suction unit configured to guide air containing dust into the main body; a first cyclone unit configured to separate dust from air suctioned through the suction unit ; a second cyclone unit configured to separate dust from air discharged from the first cyclone unit ; a dust container that is separably combined with the main body and configured to store dust separated from air by the first and second cyclone units ; a dust container cover that is configured to open and close the dust container ; and a suction motor configured to generate suction force to thereby suction air; a suction unit configured to guide air containing dust into the main body; a first cyclone unit configured to separate dust from air suctioned through the suction unit ; a second cyclone unit configured to separate dust from air discharged from the first cyclone unit ; a dust container that is separably combined with the main body and configured to store dust separated from air by the first and second cyclone units ; a dust container cover that is configured to open and close the dust container ; and a suction motor configured to generate suction force to thereby suction air; a handle unit , disposed behind the dust container , including a handle and a battery housing provided at a lower side of the handle and configured to receive a battery ; and an operating member configured to operate the dust container cover to be rotated; wherein a hinge for rotating the dust container cover is positioned opposite to the battery housing with respect to a center axis of cyclone flow of the first cyclone unit ; characterized in that : the suction motor is located over the second cyclone unit with respect to a center axis of cyclonic flow of the first cyclone unit ; and the dust container is positioned opposite to the suction motor with respect to the second cyclone unit . the suction motor is located over the second cyclone unit with respect to a center axis of cyclonic flow of the first cyclone unit ; and the dust container is positioned opposite to the suction motor with respect to the second cyclone unit . <EOS>