The content of information security mainly includes five aspects: ensuring the confidentiality, authenticity and integrity of information, the security of copied words (unauthorized copying is not allowed) and the security of parasitic systems. Information security strategy is mainly to formulate strict rules and regulations and strict security management system. Information management units should establish corresponding network security management measures, strengthen internal management, establish an appropriate network security management system, and strengthen user management and authorization management. Establish a security audit and tracking system to improve the overall awareness of network security.