This report analyzes and summarizes the overall situation of China’s network security and information security in 2020 and 2021. The main problems that need to be solved urgently are summarized，such as the detailed implementation of policies and regulations，outstanding personal information security problems，serious vulnerability utilization risks，persistent APT attacks around social hotspots，and severe Internet side security risks of industrial control systems. The development trend of network security and information security in China was studied and judged，and then policy suggestions were put forward to further strengthen China’s security protection system，including improving the legal and regulatory system，improving the standard and specification system，encouraging technological product innovation，and strengthening the cultivation of security awareness. The report aims to provide information reference for relevant regulatory authorities，information support for enterprise compliance and security protection，and material support for network security publicity and awareness training for the public.