An ultrasound apparatus comprising: a plurality of probes; a user interface comprising a touch screen; and a controller which is configured to: - display a probe list which includes identification information which relates to each of the plurality of probes which are connected to the ultrasound apparatus on the touch screen; - receive a selection of one probe from among the plurality of probes from a user via the touch screen; - display, on a touch screen, a list of a plurality of preset gains which correspond to the identification information of the selected probe; - receive a selection corresponding to one preset gain from among the plurality of the preset gains which are displayed on the list from the user via the touch screen; and - display the selected preset gain on a gain setup window on the touch screen, the gain setup window being configured to receive a gain, which is set by the user, wherein the list of preset gains on the touch screen is displayed as images of gain lines, which respectively correspond to the preset gains, or as images including a plurality of slide bars, which respectively correspond to the preset gains. a plurality of probes; a user interface comprising a touch screen; and a controller which is configured to: - display a probe list which includes identification information which relates to each of the plurality of probes which are connected to the ultrasound apparatus on the touch screen; - receive a selection of one probe from among the plurality of probes from a user via the touch screen; - display, on a touch screen, a list of a plurality of preset gains which correspond to the identification information of the selected probe; - receive a selection corresponding to one preset gain from among the plurality of the preset gains which are displayed on the list from the user via the touch screen; and - display the selected preset gain on a gain setup window on the touch screen, the gain setup window being configured to receive a gain, which is set by the user, wherein the list of preset gains on the touch screen is displayed as images of gain lines, which respectively correspond to the preset gains, or as images including a plurality of slide bars, which respectively correspond to the preset gains. - display a probe list which includes identification information which relates to each of the plurality of probes which are connected to the ultrasound apparatus on the touch screen; - receive a selection of one probe from among the plurality of probes from a user via the touch screen; - display, on a touch screen, a list of a plurality of preset gains which correspond to the identification information of the selected probe; - receive a selection corresponding to one preset gain from among the plurality of the preset gains which are displayed on the list from the user via the touch screen; and - display the selected preset gain on a gain setup window on the touch screen, the gain setup window being configured to receive a gain, which is set by the user, wherein the list of preset gains on the touch screen is displayed as images of gain lines, which respectively correspond to the preset gains, or as images including a plurality of slide bars, which respectively correspond to the preset gains.