This article introduces briefly recent topics concerning the use of virtual human body (VHB)'in medicine. Potential use of VHB as a model of the human body is first described. Then we summarize the use of VHB fiom two aspects: (a) search or deformation, and (b)using VHB only or both VHB and real body. As examples of each group in this classification, we present virtual endoscope, navigation diagnosis, virtual resection, augmented endoscope, and image-guided surgery.