Disclosed herein is an ultrasound system capable of displaying a plurality of divided screens. The ultrasound system includes an ultrasound diagnosis unit transmitting an ultrasound signal to a patient body and receiving the ultrasound signal reflected from the patient body to generate a reception signal, a data generator generating ultrasound image data based on the reception signal, a memory storing the ultrasound image data, and an image processor dividing a screen of a display unit into a plurality of divided screens according to set-up of the display unit input from a user input unit and displaying an ultrasound image on the respective divided screens.