This article explains the meanings of stress and job stress at first, probes into the job stress model, finds out the suitable job stress model to explain the job stress of fire fighters, and then to sum up and analyze the job stressor and type of fire fighters. This article also wants to appeal the fire department to face the job stress of fire fighters, to set up the coping system belonging to fire fighters, and to enable fire fighters to keep physically and mentally healthy during the work.