Abstract: With the rapid development of the Internet, it has penetrated into all aspects of social life. But then all kinds of network security issues have become increasingly prominent. This article through the support of network security management platform for a mobile operator's existing business analysis, combined with the management departments at all levels on the issue of network security requirements, this paper proposes a security strategy based on PDCA as the center, by the security check for the engine, driving the overall architecture of network security management platform function module of the business. Finally reach the security management platform for security events can be found, can be controlled, operation and maintenance, measurable objectives and requirements.