In this study, a non‐isothermal simulation model for flat‐wedged cross‐wedge rolling (CWR) to fabricate a bullet was presented by using three‐dimensional thermo‐rigid‐plastic finite element method (FEM). Both deformation behavior and heat transfer of the process were taken into account. Based on the simulation results, the distributions of temperature, stress, strain areas were analyzed. These results could provide theoretical guidance for net shape and reasonable design of tools.