PROBLEM TO BE SOLVED: To achieve compatibility between shortening of time required for finding a specific object and reduction of possibility of missing a specific object in a display device that supports the operation for continuously observing a plurality of image groups to find a specific object contained in the images.SOLUTION: A display control device for conducting the display control for displaying an image on a display device includes: input means for inputting image group data including a plurality of tomographic images of a subject； acquiring means for acquiring information on a display size, when being displayed on the display device, of the image of an object existing in the interior of the subject appearing in the tomographic images for each tomographic image； and deciding means for deciding a frame rate in continuously displaying the plurality of tomographic images one by one according to the display size of the object appearing in the tomographic image for each tomographic image.
