An ultrasound apparatus comprising: an obtaining unit, which is configured to obtain ultrasound data which relates to an object; a controller, an image processor, a display unit and a user input unit comprising a touch screen and a control panel, wherein the controller is configured to: display, in a first area of the touch screen, a gain setup window which relates to setting a gain with respect to the ultrasound data, the gain setup window including a plurality of slide bars respectively representing a gain value and corresponding depth value with respect to the ultrasound data; display, in a second area of the touch screen, a list of a plurality of preset gains which comprise buttons (941, 942, 943) with images of gain lines corresponding to the plurality of preset gains; receive a touch input which relates to selecting one preset gain from among the plurality of preset gains included in the displayed list via the touch screen; display the selected preset gain on the gain setup window on the touch screen; receive a touch input which relates to setting a gain by a user on the gain setup window via the touch screen; receive a selection of a button from the displayed list, to store in a memory the gain which is set by the user on the gain setup window; store the gain which is set by the user on the gain setup window; and display on the selected button an image of a gain line corresponding to the gain which is currently set by the user. an obtaining unit, which is configured to obtain ultrasound data which relates to an object; a controller, an image processor, a display unit and a user input unit comprising a touch screen and a control panel, wherein the controller is configured to: display, in a first area of the touch screen, a gain setup window which relates to setting a gain with respect to the ultrasound data, the gain setup window including a plurality of slide bars respectively representing a gain value and corresponding depth value with respect to the ultrasound data; display, in a second area of the touch screen, a list of a plurality of preset gains which comprise buttons (941, 942, 943) with images of gain lines corresponding to the plurality of preset gains; receive a touch input which relates to selecting one preset gain from among the plurality of preset gains included in the displayed list via the touch screen; display the selected preset gain on the gain setup window on the touch screen; receive a touch input which relates to setting a gain by a user on the gain setup window via the touch screen; receive a selection of a button from the displayed list, to store in a memory the gain which is set by the user on the gain setup window; store the gain which is set by the user on the gain setup window; and display on the selected button an image of a gain line corresponding to the gain which is currently set by the user. display, in a first area of the touch screen, a gain setup window which relates to setting a gain with respect to the ultrasound data, the gain setup window including a plurality of slide bars respectively representing a gain value and corresponding depth value with respect to the ultrasound data; display, in a second area of the touch screen, a list of a plurality of preset gains which comprise buttons (941, 942, 943) with images of gain lines corresponding to the plurality of preset gains; receive a touch input which relates to selecting one preset gain from among the plurality of preset gains included in the displayed list via the touch screen; display the selected preset gain on the gain setup window on the touch screen; receive a touch input which relates to setting a gain by a user on the gain setup window via the touch screen; receive a selection of a button from the displayed list, to store in a memory the gain which is set by the user on the gain setup window; store the gain which is set by the user on the gain setup window; and display on the selected button an image of a gain line corresponding to the gain which is currently set by the user.