An X-ray diagnostic imaging apparatus according to this embodiment includes a display for displaying an image and a processing circuitry which calculates an incident dose on a body surface of an object, superposes information based on the calculated incident dose on a three-dimensional image which is a three-dimensional image relating to the object and is capable of rotating display at a corresponding position on the body surface of the object and causes the three-dimensional image on which the information is superposed to be displayed on the display.
