The virtual endoscopy apparatus (110) comprises:a data processor (120) generating virtual endoscopy data from input cross sectional image data of an inspection subject anda display unit (130) displaying images according to the virtual endoscopy data in a single screen.The images displayed according to the virtual endoscopy data comprise at least one virtual endoscopy image and at least one reference image. The data processor (120) is configured to capture pictures of inside of the inspection subject while controlling a virtual camera to rotate around a movement path inside the inspection subject, and configured to generate the virtual endoscopy data by reconfiguring sub-areas which one of the picture is divided into, wherein each of the sub-areas corresponds to a predetermined specific angle.
