National security refers to the ability of state power, sovereignty, unity and territorial integrity, people's well-being, sustainable economic and social development and other major national interests to be relatively free from dangers and internal and external threats, and to ensure a continuous state of security. The activities will focus on publicizing and educating leading cadres and teenagers on national security and the rule of law. Combined with the "epidemic prevention and control, the rule of law" special publicity activities, increase the publicity of public health safety, biological safety and other rule of law, innovate the forms of publicity, make full use of all kinds of traditional media and new media at all levels to carry out national security publicity and education, and increase the popularization of law by case combined with typical cases. Adhere to the combination of online and offline, give full play to the advantages of legal popularization websites at all levels in the country, two micro-ends of legal popularization and new media matrix, and continuously improve the influence and communication power of national security and rule of law propaganda.