Nowadays, many researches have been carried out to simulate people's movement behaviors under emergencies. This paper proposes a feasible way for pedestrian evacuation guidance service and developed an evacuation simulation and guidance system. The system takes a real building as its base-map; CA model is used to simulate the pedestrians' movements; different fire models are developed in consider of various construction materials and finally a feasible evacuation guidance service is provided. All the process of simulation is shown as a graphical output of the system. Improved fire models and effectiveness analysis of various cases will be implemented as the near future work. Its mobile application will be done in the next phase of the project.