A three-dimensional (3D) modeling method of clothing to arrange and display parts constituting clothing on a 3D space includes loading pattern data and body data, wherein the pattern data comprises information about one or more parts constituting the clothing, and the body data comprises a 3D shape of a body on which the clothing is to be put; displaying the 3D shape of the body based on the body data; and displaying the one or more parts on the 3D shape of the body based on the pattern data.