An endoscope system according to the present invention includes: a second illumination unit that emits second illumination light； a first illumination unit that emits, simultaneously with the second illumination light, first illumination light that is light of a different wavelength band from the second illumination light and is for imaging two sets of image information about a subject different depths； an imaging unit that simultaneously images a first illumination image of the subject illuminated with the first illumination light and a second illumination image of the subject illuminated with the second illumination light； a separation processing unit that separates the two sets of image information from the first illumination image； and a separated-image creating unit that processes the second illumination image using the two sets of image information to create separated images.
