Recently with the increasing economics, many hish-rise and complicated building with new architecture features are constructed in Korea. These tall and big building have many difficulties of fire safety concerns, especially evacuation plan. so, If a fire breaks out in big shopping center in the super tall building, how should the occupants evacuate? In the side of this evacuate problem of big shopping center, It is the aim of this study to compare and analyze the difference between America and Korea. Considering the Physical Characteristics and Occupant Density.