An ultrasound measurement method includes: providing a first object and a second object within an ultrasound image displayed on a touch screen; activating the first object and the second object, to be movable to perform a measurement on the ultrasound image; receiving a touch-and-drag input with respect to at least one of the first and second objects; and displacing a corresponding one of the first and second objects on the ultrasound image in correspondence with the received touch-and-drag input.