1, the fundamental purpose of national defense education is to carry forward the spirit of patriotism and revolutionary heroism, popularize national defense knowledge, make all citizens improve their national defense concepts, and enhance their will, skills and physique to defend national security.

2. The principle of national defense education refers to the laws or standards that should be followed in carrying out national defense education activities. According to the national defense education law, national defense education should adhere to the principles of combining regular education with centralized education, combining universal education with key education, and combining theoretical education with behavioral education. This is not only the criterion for developing national defense education, but also the basic method of national defense education.

3. The essence of national defense education is: patriotism and revolutionary heroism education, national spirit and national integrity education, arousing national anxiety consciousness and national crisis consciousness education and improving national ideological and moral quality education.