PROBLEM TO BE SOLVED: To provide a virtual endoscope apparatus forming a virtual endoscope image with a maximum view angle of 90° or more.SOLUTION: An entire sphere type virtual endoscope image having a visual field that surrounds a visual point position spherically is formed by an entire sphere type image forming means 58 of a virtual endoscope image forming means 56, and the entire sphere type virtual endoscope image is displayed on an output device 26 by a display means 64 to obtain the entire sphere type endoscope image having a wide visual field that surrounds the visual point position spherically by the virtual endoscope apparatus 10.