A vacuum cleaner comprising: a dust container including a centrifugal separator disposed inside the dust container and configured to separate dust from air; a filter member installed at a discharge hole of the dust container; a dust removal unit configured to dislodge dust from the filter member; and a drive unit configured to provide driving power to the dust removal unit; wherein the dust removal unit includes: a dust-removing member (160, 170) having a plurality of dust-removing projections extending from the dust-removing member (160, 170) and facing the filter member, wherein the dust-removing projections are configured to dislodge dust from the filter member while moving to come in contact with the filter member; and a fixing member extending from an end portion of the dust-removing member (160, 170), the fixing member being arranged to move across a surface of the filter member to guide the dust-removing member (160, 170) to maintain a contacting position of the dust-removing projections with respect to the filter member during the movement of the plurality of dust-removing projections of the dust-removing member, wherein the drive unit is connected with an end portion of the dust-removing member (160, 170) opposite to the end portion of the dust-removing member (160, 170) having the fixing member. a dust container including a centrifugal separator disposed inside the dust container and configured to separate dust from air; a filter member installed at a discharge hole of the dust container; a dust removal unit configured to dislodge dust from the filter member; and a drive unit configured to provide driving power to the dust removal unit; wherein the dust removal unit includes: a dust-removing member (160, 170) having a plurality of dust-removing projections extending from the dust-removing member (160, 170) and facing the filter member, wherein the dust-removing projections are configured to dislodge dust from the filter member while moving to come in contact with the filter member; and a fixing member extending from an end portion of the dust-removing member (160, 170), the fixing member being arranged to move across a surface of the filter member to guide the dust-removing member (160, 170) to maintain a contacting position of the dust-removing projections with respect to the filter member during the movement of the plurality of dust-removing projections of the dust-removing member, wherein the drive unit is connected with an end portion of the dust-removing member (160, 170) opposite to the end portion of the dust-removing member (160, 170) having the fixing member. a dust-removing member (160, 170) having a plurality of dust-removing projections extending from the dust-removing member (160, 170) and facing the filter member, wherein the dust-removing projections are configured to dislodge dust from the filter member while moving to come in contact with the filter member; and a fixing member extending from an end portion of the dust-removing member (160, 170), the fixing member being arranged to move across a surface of the filter member to guide the dust-removing member (160, 170) to maintain a contacting position of the dust-removing projections with respect to the filter member during the movement of the plurality of dust-removing projections of the dust-removing member, wherein the drive unit is connected with an end portion of the dust-removing member (160, 170) opposite to the end portion of the dust-removing member (160, 170) having the fixing member.