First, national defense military education in colleges and universities is conducive to enhancing college students' national defense awareness.

National defense is the synthesis of all national defense measures taken to defend national sovereignty and territorial integrity and ensure that national interests are not violated by foreign countries. National defense consciousness is the ideological basis of national security and development, and good national defense consciousness is not only the ideological basis of maintaining national security, but also the spiritual driving force to promote national development. General Secretary Hu Jintao stressed that it is necessary to strengthen national defense education, vigorously carry forward the spirit of patriotism, enhance national self-esteem and pride, and form a strong atmosphere in which the whole party cares, supports and builds national defense. The cultivation and strengthening of a country's national defense force and people's national defense awareness should not be carried out only in wartime, but should be strengthened in peacetime. Generally speaking, in wartime, people have a strong sense of defense in order to defeat their opponents and resist foreign invasion. However, in peacetime, people are prone to paralysis and peace of mind, lose the necessary sense of defense, and have no sense of crisis, so they can only end up being beaten tragically.

With the establishment and improvement of the socialist market economic system, people's economic awareness has been continuously enhanced, but their national defense awareness has lagged behind. College students generally believe that national defense is a matter for the government and the army, and has nothing to do with themselves. National defense is not just a matter for the army and the government. Without the improvement of the national defense concept of the whole people, there can be no truly powerful national defense. In fact, national defense is very close to all of us, especially college students who are future builders of the motherland. They are a new force in society. To educate them in national defense is to cultivate their patriotism and sense of social responsibility, and also to educate them in the most basic and stable national defense awareness and enhance their sense of responsibility and mission. National defense education in colleges and universities takes systematic and standardized military training and military theory education as the main content, which plays an irreplaceable role in students' patriotism education. Because the content of national defense education is related to national security and national defense, and is closely related to national security and the fundamental interests of the people, it can arouse strong resonance among college students. Through national defense military education, college students have a clear understanding of war and peace, a correct understanding of China's national defense history and surrounding security situation, enhance national defense awareness, and establish national defense concepts such as putting national interests above everything else, being prepared for danger in times of peace, loving the army and practicing martial arts, and defending the country.

Second, the national defense military education in colleges and universities helps to enhance the patriotism and collectivism of college students.

National defense education is an effective carrier of patriotism education. By learning military theoretical knowledge, we can enhance college students' national defense concept and national security awareness. National defense education can further enhance people's patriotic beliefs. The Chinese nation has the traditional virtue of patriotism. Only by inspiring people's love for the motherland can they make active contributions and shed blood for the motherland. Patriotism education in colleges and universities is the core of national defense education. Whether it is military skill training or military theory teaching, the main line of patriotism education runs through it all the time. After studying military courses, college students are easily infected by national defense, which is a major event related to the rise and fall of the country and the life and death of the people, thus inspiring strong patriotic feelings.

Collectivism is all selfless thoughts based on people's interests, and it is an important content of our army's political thoughts: insisting that collective interests are higher than individual interests; When there is a contradiction between individual interests and collective interests, unconditionally obey the collective interests; It is important to care about others when dealing with the relationship between individuals and others. National defense education in colleges and universities requires students according to the basic standards of the army, and one of its purposes is to strengthen the collective concept of college students. Most modern college students are only children, and they have been spoiled since childhood, which makes many students form a "self-centered" psychology. Coupled with the influence of social atmosphere, some students have developed selfish psychology and lack due love.

In short, national defense education in colleges and universities has a special educational function for promoting patriotism and collectivism, helping college students to establish a correct world outlook, outlook on life and values, and cultivating good ideological and moral sentiments; It is helpful to stimulate college students' sense of mission and honor to devote themselves to the country and the nation, as well as the spirit of self-conscious struggle to defend national interests, and plays an extremely important role in promoting socialist moral construction with patriotism as the core.

Third, national defense military education in colleges and universities is conducive to cultivating college students' spirit of hard work and perseverance.

The survey shows that contemporary college students generally have problems such as strong family dependence, poor independence, covetousness for enjoyment, utilitarian tendency in concept, alert mentality in interpersonal communication, lax organizational discipline, and lack of correct world outlook, outlook on life and values. Military education trains college students according to the requirements of military talents, which is beneficial for college students to hone themselves under difficult conditions, establish correct bitter optimism and cultivate indomitable will quality. Through the centralized military training of militarized management, students can form values with collectivism as the core in uniform queue training and various competitions, improve their consciousness of observing discipline in "all actions are under command", cultivate a resolute style in "tension" and cultivate civilized manners and good living habits in "order". Moreover, because military practice is a collective activity, military training consumes a lot of physical strength and is antagonistic, competitive and arduous. By organizing military competitions, military parade performances and technical examinations of various events, students can not only be trained in perseverance, hard work, courage and tenacity, but also be the best classroom for frustration education. To lay a good psychological quality foundation for their future study, work and life.