The liquid ejection apparatus comprises: a plurality of ejection ports which eject liquid; a plurality of pressure chambers which are connected respectively to the ejection ports; pressure generating elements which are provided to correspond respectively to the pressure chambers and create a pressure change in the liquid in the respective pressure chambers; a common flow channel which is connected to the pressure chambers and supplies the liquid to the pressure chambers; a movable member which is disposed inside the common flow channel and can move while making contact with a flow channel wall forming one portion of an internal circumferential surface of the common flow channel; and a movement device which moves the movable member inside the common flow channel.