In an ultrasound apparatus comprising a user input unit for receiving a touch input, provided are a method and apparatus for receiving an input from a user for setting a gain value, determining a coordinate matching mode between the user input unit and an output unit, and adjusting a gain value of ultrasound data based on the user input and the coordinate matching mode. In addition, provided are a method and apparatus for applying a compensation value for ultrasound data, through a user input.
