China's national security field mainly includes

China's national security field mainly includes the following contents:

Political security, homeland security, military security, economic security and cultural security. Social security, scientific and technological security, network security, ecological security, resource security and nuclear security. Overseas interests security, space security, deep sea security, polar security and biological security.

Supplementary materials:

National security is an important cornerstone of national development and the most fundamental guarantee for people's well-being. There are no "outsiders" in safeguarding national security, and everyone should participate and contribute.

Article 2 of the National Security Law stipulates that 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, and the ability to ensure a continuous state of security. In other words, national security has rich connotations, which refers to a state of security and its ability to maintain it. In order to reflect the requirements of the overall national security concept, the national security task is defined from the field 16.

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.

April 15 this year is the seventh National Security Education Day, with the theme of "Strengthening the overall national security concept, understanding the achievements of national security in the new period, and creating a good atmosphere for welcoming the 20th Party victory".