Abstract: Business is an important part of the city format. With the process of city suburbanization and the reconstruction of the business district, the division of the grade of bussiness circle needs to be discussed again. This paper takes Nanjing’s cinema distribution and use the ARCGIS to analysis Cinemas’size distribution,price values based on the division, found that the commercial hierarchical levels divided by traditional method is silimar to that divided by cinemas’data. At the same time, through the correlation analysis by SPSS software, the most important factors that influence consumer’ choice of cinema are the convenience of traffic and price, it is same to the influencing factors to the traditional method. Finally, based on the scale of the movie theater, the service object, the service population and so on, the quantitative method of the trade circle division is established, which provides the basis for the scientific planning of the city.