April 15, 2022 is the seventh national security education day for all. In order to popularize the knowledge of national security and nuclear security, show the historic achievements made since the 18th National Congress of the Communist Party of China, enhance the safety awareness of all people, and create a strong atmosphere for building security barriers together, The National Nuclear Safety Administration's WeChat public platform serializes ten issues of "National Security Knowledge" and "National Nuclear Security Knowledge" in the form of questions and answers for readers.

According to Article 2 of the National Security Law, national security refers to the state power, sovereignty, unity and territorial integrity, people's well-being, sustainable economic and social development and other major national interests that are relatively free from danger and internal and external threats, as well as the ability to guarantee a state of continuous security. In other words, the connotation of national security is rich, which refers to both the state of national security and the ability of the country to maintain this state of security.

When it comes to national security, people tend to think of homeland security, military security, anti espionage and anti espionage, maintaining stability and dealing with emergencies, and feel that it is too far away from them and has little to do with them. In fact, the national security in the new era is no longer limited to the traditional "small security", but covers many fields such as politics, economy, culture, society, and the Internet. It is a true "big security". Furthermore, national security concerns everyone's practical interests and is closely related to our work and life.

According to the Nuclear Safety Law, nuclear safety refers to taking adequate safety measures such as prevention, protection, mitigation and supervision on nuclear facilities, nuclear materials and related radioactive waste to prevent nuclear accidents due to technical reasons, human reasons or natural disasters, and greatly reduce the radioactive consequences of nuclear accidents.

Article 31 of the National Security Law stipulates that China adheres to the peaceful use of nuclear energy and technology, strengthens international cooperation, prevents nuclear proliferation, improves the non-proliferation mechanism, strengthens the safety management, supervision and protection of nuclear facilities, nuclear materials, nuclear activities and nuclear waste disposal, strengthens the nuclear emergency system and emergency capacity building, and prevents Control and eliminate the harm of nuclear accidents to citizens' lives, health and ecological environment, and constantly enhance the ability to effectively respond to and prevent nuclear threats and attacks.

The overall national security concept is a rich, open, inclusive and developing ideological system. Its core essence can be summarized as five elements and five pairs of relationships. The five elements are to take the people's security as the purpose, and to govern Governance of security is fundamental, economic security is the foundation, military, scientific, technological, cultural and social security is the guarantee, and international security is the basis. Five pairs of relations are to attach importance to both development and security issues; Pay attention to both external security and internal security; It attaches importance to both homeland security and national security; It attaches importance to both traditional and non-traditional security; They attach importance to both their own security and common security. In short, clarifying the five elements and grasping the five pairs of relationships are the key to understanding the overall national security concept.