According to one embodiment, an ultrasound diagnosis apparatus includes an acquisition unit, a selection unit, and a display control unit. The acquisition unit acquires a medical image accompanied bysupplementary information indicating a site. The selection unit selects one of a plurality of instruction instruments each corresponding to a site. The display control unit displays the medical image,the instruction instrument, and an ultrasound image together on a display. Upon receipt of a change instruction to change either the instruction instrument or the medical image, the selection unit newly selects the medical image or the instruction instrument corresponding to the instruction instrument or the medical image after the change. The display control unit displays the instruction instrument or the medical image after the change, the medical image or the instruction instrument newly selected, and the ultrasound image together.