The integration of Internet and mobile Internet, Internet of things, will promote the wide application of the Industrial Internet and other vertical Internet. Smart device manufacturing, smart Internet marketing will give people work and life led to profound changes and the experience. But all walks of network security problems will become increasingly serious. Traditional networks of a variety of viruses, hackers and other threats will expand the network to the new system, they caused the damage and the impact will be more dangerous and grim. Security Analysis researching work needs to extract network and system resources related to security as well as the security factors, so as to establish a security modeling for security analysis. In this paper; it takes the introduction of network security property as a cutting point, combined with the safety requirements and analysis on the level of safety requirements, discussing the structure of safety network platform as well as the main connection relationship modeling.