It is possible to simultaneously display a plurality of medical inspection images in such a manner that a user can easily view the images. When a recording medium is mounted on a personal computer, the personal computer starts a display control program recorded on the recording medium and causes a medium drive to read out index information on medical image data and the medical image data stored in the recording medium, so as to display a medical image switched in an inspection unit, according to the read-out medical image data, on a main screen together with a tub for each of inspections indicating the inspection date used for switching the inspection as the display object on the main screen by a selection operation of an operation unit. When any of the tubs for each inspection is drugged, a separate screen is displayed in a floating state displaying a medical image of an inspection corresponding to the tub operated in the display region of the display unit.
