Illustration for medical visualization can achieve the hand-drawn effects or enhance some geometric features such as muscle texture. Illustrative visualization as text illustration provides realistic or enhanced 3D images to achieve better teaching effects than medical volume visualization for residents or students with less clinic experiences. Our methods provide illustration method for the musculoskeletal surgery. Because the relations between operated and neighboring structures, and dissected muscles and skins can be demonstrated, the simulations can be an effective tool for teaching residents and students and rehearsing surgery for surgeons.