Abstract: In order to improve railway safety risk management level, extend safety risk control model and solve the problem of insufficient LAN coverage and computer equipment, the article put forward construction idea and functional architecture of new railway safety risk control information system based on Enterprise WeChat. This system took mobile Internet as the carrier, smart phone and other mobile devices as the terminal, used advanced interface of enterprise WeChat, data exchange of internal and external network, mobile terminal application programming, etc., implemented the mobile railway safety risk management.