Abstract: In order to promote the safety data sharing and improve the safety management level of the Railway Administration Group Co., Ltd. (hereinafter referred to as the Railway Administration), this article took the Beijing Group safety big data analysis platform as the research object, analyzed the business requirements of equipment safety, personnel safety and safety management, designed the overall scheme based on "platform + application", as well as the comprehensive analysis of equipment safety and personnel safety combined analysis, comprehensive safety management analysis and other main functions. From the perspective of "civil air defense" "material defense" and "technical defense", the railway transportation safety was guaranteed to achieve the purpose of preventing risks, removing hidden dangers and preventing accidents.