PROBLEM TO BE SOLVED: To provide an electronic endoscope system which can display two or more images, to which different image processing is set, on a monitor at the same time and also can switch a displayed image by an easy operation.SOLUTION: An electronic endoscope system includes: an electronic endoscope a first image processing circuit that acquires an image from the electronic endoscope and subjects the image to image processing to output as a first video signal a second image processing circuit that acquires an image from the electronic endoscope and subjects the image to image processing to output as a second video signal a monitor that displays a first endoscopic image based on the first video signal and a second endoscopic image based on the second video signal and a display mode select means that accepts an input from a user, and selects based on the input either of a single image display mode to display the first endoscopic image on the monitor and a plural image display mode to display the first endoscopic image and the second endoscopic image on the monitor.
