An ultrasound diagnostic imaging apparatus includes an ultrasound probe, a display unit, a touch panel and a control unit. The touch panel is disposed in such a way as to be superposed on a display screen of the display unit. The control unit (i) displays a body mark representing a body part of a subject on the display screen, (ii) sets an operation receivable region on the touch panel in such a way as to be suitable for the displayed body mark, (iii) detects a touched point in the operation receivable region and (iv) performs display position setting to control the display unit to display a probe mark representing the ultrasound probe in form according to the detected touched point.
