Abstract: The growth of railway freight customers makes the amount of customer information huge. In order to effectively use enterprise information to carry out intelligent analysis, stabilize and expand the source of railway transport goods, this paper designed a railway freight electronic map analysis system. The paper used the ontology-based method to collect and file the industry, business category, longitude and latitude and other information of enterprise customers, and integrated the data of the railway freight proprietary system to form the enterprise information database, based on ECharts, visually displayed the enterprise information through electronic map, which was conducive to marketing personnel to carry out grid marketing and explore potential customers. The system has been successfully applied in China Railway Jinan Group Co. Ltd., effectively improved the number of freight marketing customers and railway traffic volume, which can provide reference for the realization of smart marketing.