An endoscope system includes a first storage portion (21) configured to store a subject image acquired in advance a luminal organ extracting portion (22) configured to construct a three-dimensional image from the subject image and extract a luminal organ image a positioning portion (26) configured to position an acquired position of an objective optical system on the luminal organ image an angle-of-view display information generating portion (27) configured to generate angle-of-view display related to a picked-up image picked up by an image pickup system including the objective optical system and an image processing portion (23) configured to create an overlapped image obtained by overlapping the angle-of-view display at the position positioned on the predetermined luminal organ image.
