This X-ray diagnostic device is provided with: an X-ray source (3) a grid (6) an X-ray detector (7) a first image generator (9) a second image generator (110) for generating data for a plurality of second images having different spatial frequency bands from data for a first image a plurality of noise reduction processors (101) for individually subjecting the plurality of second images to a noise reduction process a correction unit (102) for subjecting one of the second images to a scattered beam correction process and a final image generator (120) for generating a final image by synthesizing the second images subjected to the noise reduction process and the second image subjected to the scattered beam correction process.
