2021September 18 is the 2nd1National Defense Education Day. This year's theme is: "A New Journey of Strengthening the Country, Building the Chinese Dream Together by the Army and the People". National defense education day is a theme activity day determined by the state to carry out large-scale national defense education for all, and it is one of the forms of mass national defense education activities. Article 12 of the Law of People's Republic of China (PRC) on National Defense Education stipulates that the state establishes a national defense education day.

National Defense Education Day is a day of meditation and vigilance. All people who cherish a peaceful and happy life should unconditionally assume their civic responsibilities, support and participate in national defense education, and contribute to national defense and army building.

The significance of national security education day for all.

Through a series of activities on the National Security Education Day, the government and the public can effectively understand the requirements of the national security law, thus enhancing their sense of responsibility and improving their ability to safeguard national security.

The National Security Law sets up the National Security Education Day for all, in order to popularize the national security knowledge to the public, and play a good publicity effect in a short time, so that more people can get in touch with and understand the national security legal knowledge, especially how to perform the duties and obligations of safeguarding national security according to law.