A system for manufacturing a display unit according to an exemplary embodiment of the present invention includes: a carrying unit configured to carry an optical film including a polarizing film and a release film, wherein the polarizing film includes an adhesive layer through which, a release film adheres to and is peeled from the polarizing film; a cutting unit configured to cut the optical film up to a predetermined depth to form a polarizing film sheet piece on the optical film, without cutting the release film; a panel supply unit configured to continuously supply a panel to an attachment position, at which the polarizing film sheet piece is attached to one surface of the panel; an attachment unit configured to peel the polarizing film sheet piece from the release film, and attach the peeled polarizing film sheet piece to the one surface of the panel supplied by the panel supply unit; and a winding unit configured to wind the release film peeled by the attachment unit, wherein the attachment unit includes: an adhering means, which has an adhering property at an external side thereof, and peels the polarizing film sheet piece from the release film by the adhering property, and moves to the attachment position and makes the polarizing film sheet piece face the one surface of the panel in parallel; and an attaching means, which presses the adhering means to attaches the polarizing film sheet piece to the one surface of the panel.