An ultrasound system and a method of editing a label displayed with an ultrasound image are provided. The ultrasound system displays a plurality of labels generated based on a predetermined threshold value on the ultrasound image, receives a selection signal for selecting at least one label from the plurality of labels and an adjustment signal for adjusting the predetermined threshold value, generates at least one new label based on a threshold value adjusted according to the adjustment signal, and replaces and displays some of the at least one new label on a region corresponding to the at least one selected label.
