A mobile terminal comprising: a display including a touch screen; and a controller configured to display a first screen including a content with at least one item on the display, the controller is further configured to: overlap a second screen with a scale reduced from the first screen on the first screen when receiving a predetermined touch input through the display, wherein the whole of content of the first screen is displayed on the second screen and control displaying of the first screen on the basis of an input through the second screen, wherein the at least one item displayed on the second screen is manipulated to perform an operation corresponding to the at least one item displayed on the first screen, characterized in that the touch input is a drag input made within an edge region including at least one of a plurality of edges of the touch screen, wherein both of a start point and an end point of a touch trajectory of the touch input are included in the edge region including the at least one of the plurality of edges of the touch screen, and wherein the second screen is positioned on an edge of the display where the drag input is made. a display including a touch screen; and a controller configured to display a first screen including a content with at least one item on the display, the controller is further configured to: overlap a second screen with a scale reduced from the first screen on the first screen when receiving a predetermined touch input through the display, wherein the whole of content of the first screen is displayed on the second screen and control displaying of the first screen on the basis of an input through the second screen, wherein the at least one item displayed on the second screen is manipulated to perform an operation corresponding to the at least one item displayed on the first screen, characterized in that the touch input is a drag input made within an edge region including at least one of a plurality of edges of the touch screen, wherein both of a start point and an end point of a touch trajectory of the touch input are included in the edge region including the at least one of the plurality of edges of the touch screen, and wherein the second screen is positioned on an edge of the display where the drag input is made. overlap a second screen with a scale reduced from the first screen on the first screen when receiving a predetermined touch input through the display, wherein the whole of content of the first screen is displayed on the second screen and control displaying of the first screen on the basis of an input through the second screen, wherein the at least one item displayed on the second screen is manipulated to perform an operation corresponding to the at least one item displayed on the first screen, characterized in that the touch input is a drag input made within an edge region including at least one of a plurality of edges of the touch screen, wherein both of a start point and an end point of a touch trajectory of the touch input are included in the edge region including the at least one of the plurality of edges of the touch screen, and wherein the second screen is positioned on an edge of the display where the drag input is made.