An ultrasound diagnosis apparatus includes: a controller configured to obtain a real-time scan image based on ultrasound data about a region of interest, determine whether a movement of a probe occurs based on the ultrasound data, and when the movement of the probe does not occur for a first time or more, obtain an ultrasound still image in which at least one image quality parameter according to a preset standard is changed based on the ultrasound data and a display configured to display the real-time scan image and the ultrasound still image.
