According to an embodiment, in a medical image diagnostic apparatus, an accepting unit accepts input of conditions with respect to regions to be photographed and arrangement of the regions. An extracting unit extracts an area of interest of each subject by analyzing medical image data photographed based on the conditions accepted by the accepting unit. Based on the conditions and on the area of interest extracted by the extracting unit, a setting unit sets display conditions of a parallax image group to be displayed on a display unit having a stereoscopic viewing function.