现阶段，数据成为企业核心资产和持续发展的原动力。大数据技术的应用有助于推进中国铁路转型升级和供给侧结构性改革，增强铁路运输安全性，提高铁路客货服务质量，提升铁路运输效率和效益。本文介绍了中国铁路的建设现状、数据来源、数据构成、数据特点，阐述了国外铁路大数据的研究与应用现状，并结合中国铁路的特点和需求，提出了中国铁路大数据的顶层设计、应用体系和安全保障体系。文章分析了铁路客运服务、设备健康管理、行车安全保障方面的大数据典型应用场景，并对未来铁路大数据应用的实施进行了展望。
At present，data has become the core asset and the source of sustainable development of enterprises.Big data application will help promote the transformation upgrading of China's railways and supply-side structure reform，enhance the safety of railway transportation，improve the quality of passenger and cargo services，and improve the efficiency and efficiency of railway transportation.The paper introduces the construction status，data source，data composition and data characteristics of China's railways，describes the big data research and application status of foreign railway，and puts forward the top-level design，application system and security guarantee system of China Railway's big data based on its characteristics and needs.Also，the report analyzes the typical application scenarios of big data application on passenger transportation service，equipment health management and driving safety protection，and prospects the implementation of big data application in the future.
