The traditional rural tourism industry has some problems, such as incomplete tourism information, unable to share all data, serious data loss, and the decline of tourism service quality. In recent years, with the support of big data and e-commerce technology, many villages have vigorously developed tourism e-commerce, which has brought huge economic benefits to rural residents and improved their living environment to a certain extent. This paper briefly expounds the concept and characteristics of big data, analyzes the needs of rural tourism e-commerce on the basis of being familiar with big data related technologies, develops a rural tourism e-commerce system (hereinafter referred to as RTES), and explains the design of the system in detail from the system architecture design, database design and system function structure design. The application of the system shows that the tourism e-commerce designed and developed in this paper is guaranteed in practicality and security, and reflects professionalism and comprehensiveness in service. It can not only recommend and book the best tourist routes for customers, but also provide support for managers and facilitate management.