PROBLEM TO BE SOLVED: To generate display data constituted of various kinds of pieces of image data in a short period of time.SOLUTION: An X-ray diagnostic apparatus 100 for generating image data on the basis of projection data collected by X-ray imaging to a part to be inspected of a patient or a subject includes: an input part 14 for selecting an inspection event in the X-ray imaging an image data generation part 8 for generating various kinds of pieces of image data on the basis of the projection data collected by the X-ray imaging by the inspection event a display data generation part 10 for generating display data by laying out the various kinds of pieces of image data on the basis of a preset display condition correspondingly to the inspection event and a display part 11 for displaying the display data.
