A medical endoscope system adapted to be inserted into a living body to image an interior of the living body includes: an imaging device that includes a distal end part inserted into the living body to illuminate the living body, and condenses light from the living body to generate two imaging signals having parallaxes first and second light source units configured to generate first illumination light and second illumination light for illuminating the living body respectively, and supply the first illumination light and the second illumination light to the imaging device and a display image generation unit configured to generate a display image signal based on the two imaging signals from the imaging device.
