An air purifier comprising: an intake flow path through which air introduced from an inlet flows; a flow path control member on the intake flow path ; and a housing , wherein the flow path control member is installed on a flow path between the intake flow path and a plurality of discharge ports , wherein the plurality of discharge ports comprises: a first discharge port formed on one side of the housing ; a second discharge port formed on an upper side of the housing ; a third discharge port which is formed on the other side opposite to the one side of the housing and in which a humidifying filter is located; a first discharge flow path communicating the first discharge port with the intake flow path ; a second discharge flow path communicating the second discharge port with the intake flow path ; and a third discharge flow path communicating the third discharge port with the intake flow path , wherein the intake flow path is in communication with any one or more of the first discharge flow path , the second discharge flow path , and the third discharge flow path by way of the flow path control member , wherein, even when the flow path control member closes the third discharge flow path , a guide for guiding air into the third discharge flow path is positioned at an inlet portion of the third discharge flow path . an intake flow path through which air introduced from an inlet flows; a flow path control member on the intake flow path ; and a housing , wherein the flow path control member is installed on a flow path between the intake flow path and a plurality of discharge ports , wherein the plurality of discharge ports comprises: a first discharge port formed on one side of the housing ; a second discharge port formed on an upper side of the housing ; a third discharge port which is formed on the other side opposite to the one side of the housing and in which a humidifying filter is located; a first discharge flow path communicating the first discharge port with the intake flow path ; a second discharge flow path communicating the second discharge port with the intake flow path ; and a third discharge flow path communicating the third discharge port with the intake flow path , wherein the intake flow path is in communication with any one or more of the first discharge flow path , the second discharge flow path , and the third discharge flow path by way of the flow path control member , wherein, even when the flow path control member closes the third discharge flow path , a guide for guiding air into the third discharge flow path is positioned at an inlet portion of the third discharge flow path . a first discharge port formed on one side of the housing ; a second discharge port formed on an upper side of the housing ; a third discharge port which is formed on the other side opposite to the one side of the housing and in which a humidifying filter is located; a first discharge flow path communicating the first discharge port with the intake flow path ; a second discharge flow path communicating the second discharge port with the intake flow path ; and a third discharge flow path communicating the third discharge port with the intake flow path , wherein the intake flow path is in communication with any one or more of the first discharge flow path , the second discharge flow path , and the third discharge flow path by way of the flow path control member , wherein, even when the flow path control member closes the third discharge flow path , a guide for guiding air into the third discharge flow path is positioned at an inlet portion of the third discharge flow path . <EOS>