Embodiments of a user interface in an ultrasound system are disclosed. In one embodiment, the ultrasound system comprises a display unit for prompting a user to touch a desired one of hierarchically arranged soft buttons for triggering an execution of the function of the ultrasound system associated with the touched button. The display unit includes a display having a display with touch panel mounted. The display unit is configured to display a touch screen menu together with the ultrasound image on the display.