A portable device and a screen control method of the portable device are provided. More specifically, disclosed are: a portable device of which the screen is changed according to a text recognition result of a text selected in response to the continuous movement of a touch received in a text display area; and a screen control method of the portable device. Some of the disclosed embodiments provide: a portable device of which the screen is changed according to control information corresponding to a text recognition result of a text selected by the continuous movement of a touch received in a text within a text display area; and a screen control method for the portable device.