An ultrasound diagnosis apparatus includes: a scan controlling unit that exercises control to perform a first scanning process by transmitting an ultrasound wave in a first direction and a second scanning process by transmitting an ultrasound wave in each of a plurality of directions an image generating unit that generates a first ultrasound image and second ultrasound images from the first and the second scanning processes, respectively an image generation controlling unit that has a needle image generated, based on an analysis result on the brightness distribution of each member of a group of images based on the first ultrasound image and the second ultrasound images or an analysis result on the brightness distribution of each of the second ultrasound images an image synthesizing unit that generates a synthesized image from the first ultrasound image and the needle image and a display controlling unit that displays the synthesized image.
