A radiation image processing device which performs image processing to a moving image that is obtained by emitting radiation to a subject, the radiation image processing device including a hardware processor that: extracts a reference region from each of a plurality of frame images which form the moving image； calculates an image processing condition of the reference region for each of the frame images from which the reference region is extracted； determines a standard image processing condition which is a standard based on the calculated image processing condition of each of the frame images； and performs image processing by applying the determined standard image processing condition to each of the frame images.
