1. A robot for a repositioning procedure, comprising: a photographing unit configured to capture a plurality of bone images of a fracture region and a normal region corresponding to the fracture region of a patient at different angles; an image processor configured to generate three-dimensional interpolation images of the fracture region and the normal region by using the plurality of bone images; and a display unit configured to display the three-dimensional interpolation image of the fracture region and the three-dimensional interpolation image of the normal region together.