Abstract: Based on the analysis of railway passenger and freight business electronic invoice scenarios, this paper designed the electronic invoice process andthe method of invoiceissuing, constructed the platform framework, planned the platform functions, and formed the overall scheme of railway electronic invoice service platform based on railway core business, which provided the implementation basis for platform research and development. According to the platform scheme, it can implement the issuance, printing, query, delivery and other related services of electronic invoice for railway passenger and freight transportation, effectively promote the wide application of electronic invoice in the railway industry, and play an important role in reducing the operating cost of railway enterprises, saving social resources, and facilitating users to obtain invoice.