A display apparatus comprising: a first body (2,191a) on which a first display is provided; a second body (4,191b) on which a second display is provided; a hinge configured to connect the first body (2,191a) and the second body (4,191b); a storage configured to store control operation information which is matched with a rotated state of the first body (2,191a) and the second body (4,191b) and a rotating direction of the first body (2,191a) and the second body (4,191b); a first sensor included in the first body (2,191a) and configured to detect a rotation of the first body (2,191a); a second sensor included in the second body (4,191b) and configured to detect a rotation of the second body (4,191b); and a controller configured to: determine the rotated state of the first body (2,191a) and the second body (4,191b) and the rotating direction of the first body (2,191a) and the second body (4,191b) based on the detected rotation of the first body (2,191a) and the detected rotation of the second body (4,191b), display a user interface, UI, corresponding to the determined rotated state and the determined rotating direction on a predetermined area of a screen of the first display or the second display, using the control operation information corresponding to the rotated state of the rotated body from among the first body (2,191a) and the second body (4,191b) and the rotating direction of the rotated body, and change the size of the UI according to a direction of a dragging of the UI when the dragging of the UI is input, wherein when the dragging of the UI begins on one display where the UI is displayed, among the first display and the second display and finishes on the other display, among the first display and the second display, the UI is expanded from the one display to the other display. a first body (2,191a) on which a first display is provided; a second body (4,191b) on which a second display is provided; a hinge configured to connect the first body (2,191a) and the second body (4,191b); a storage configured to store control operation information which is matched with a rotated state of the first body (2,191a) and the second body (4,191b) and a rotating direction of the first body (2,191a) and the second body (4,191b); a first sensor included in the first body (2,191a) and configured to detect a rotation of the first body (2,191a); a second sensor included in the second body (4,191b) and configured to detect a rotation of the second body (4,191b); and a controller configured to: determine the rotated state of the first body (2,191a) and the second body (4,191b) and the rotating direction of the first body (2,191a) and the second body (4,191b) based on the detected rotation of the first body (2,191a) and the detected rotation of the second body (4,191b), display a user interface, UI, corresponding to the determined rotated state and the determined rotating direction on a predetermined area of a screen of the first display or the second display, using the control operation information corresponding to the rotated state of the rotated body from among the first body (2,191a) and the second body (4,191b) and the rotating direction of the rotated body, and change the size of the UI according to a direction of a dragging of the UI when the dragging of the UI is input, determine the rotated state of the first body (2,191a) and the second body (4,191b) and the rotating direction of the first body (2,191a) and the second body (4,191b) based on the detected rotation of the first body (2,191a) and the detected rotation of the second body (4,191b), display a user interface, UI, corresponding to the determined rotated state and the determined rotating direction on a predetermined area of a screen of the first display or the second display, using the control operation information corresponding to the rotated state of the rotated body from among the first body (2,191a) and the second body (4,191b) and the rotating direction of the rotated body, and change the size of the UI according to a direction of a dragging of the UI when the dragging of the UI is input, wherein when the dragging of the UI begins on one display where the UI is displayed, among the first display and the second display and finishes on the other display, among the first display and the second display, the UI is expanded from the one display to the other display.