A display method to display an interest area of an ultrasound image displayed on a touch screen, comprising:- providing, on the ultrasound image, at least a first moveable object having a first area, which defines an extended touch recognition range with respect to the first moveable object；- receiving a touch-and-drag input, by recognizing that the first movable object is touched when the touch screen is touched in the extended touch recognition range of the first area outside the first moveable object；- displacing the first movable object in correspondence with the received touch-and-drag input with respect to the ultrasound image；- defining the extended touch recognition range with respect to the first moveable object as a boundary of the first area, which encloses the first moveable object；- wherein the receiving the touch-and-drag input comprises receiving an input of a touch-point within the boundary of the first area；- providing, on the ultrasound image, a second object, wherein displacing the first movable object in correspondence with the received touch-and-drag input with respect to the ultrasound image is relative to the second object； and- adapting a measurement line between the first moveable object and the second object based on the displacement of the first moveable object.The corresponding ultrasound apparatus is also provided.
