Abstract: A company found a series of problems in the process of building its dual prevention mechanism of security risk management at hierarchy levels and hidden danger investigation and management. In order to solve the problems, it developed and built an intelligent security management and control platform using advanced technologies such as 5G+ safety production, internet of things, video surveillance, personnel positioning and big data, and implemented its double prevention mechanism by the informationized means so as to ensure the risks controllable and under control and all hidden dangers are eliminated on schedule.