National defense education mainly includes national defense theory, national defense spirit, national defense history, national defense legal system, national defense system, national defense mobilization, national defense economy, national defense diplomacy, national defense sports, national defense common sense and so on.

The contents of national defense construction mainly include:

Armed forces construction: battlefield construction, various mobilization preparations of manpower and material resources: frontier defense, coastal defense, air defense and civil air defense construction, strategic material reserve, national defense industry construction and national defense science and technology research: national defense education and military training for the people and students, development of national defense sports, and establishment and construction of national defense laws and regulations system.

Study military theory, develop military science, and formulate and improve practical strategic and tactical principles: the construction of reserve forces, and the construction of railways, highways, water transport, civil aviation, posts and telecommunications, energy, water conservancy, afforestation, meteorology, health, aerospace and other aspects related to national defense. The focus is on army building.