Superalloys and composites are increasingly used in aerospace, biomedical applications, etc., and the complicated machinability of the material has drawn numerous research efforts. To prepare and optimize certain procedures, precise prediction of forces in the machining phase of superalloys is having great significance. There is no systematic analysis of cutting force and cutting temperature simulation of superalloys machining. The development of cutting forces, cutting temperature models created for the cutting process of superalloys and composites, is mainly reviewed in this paper. Documented models are explained, such as models of finite elements and models of neural networks, which are built either from the central theory of classical theoretical analysis or from computational simulations. Modeling rules and future developments in science are also presented and outlined in this chapter.