National defense education, as a part of ideological and political education in colleges and universities, undertake the fundamental task of cultivating students’ patriotism and morality. It is also the main channel and main position of our country’s socialist ideological education. At present, there are some problems national defense education in colleges and universities, such as insufficient curriculum system construction, failure to integrate the international situation, and neglect to stimulate students’ patriotic passion. In order to adapt to the changes in the domestic and foreign political environment in the new era, in line with the overall planning of the two overall situations at the national level, realize the morality and cultivation of people at the level of universities, and rooted at the personal level to create a great cause for the future, it is necessary to introduce and train specialized talents in national defense education and enrich the form of national defense education, learning from and absorbing the advantages of other disciplines, and conducting national defense education through Internet will further strengthen the construction of the national defense education discourse system in colleges and universities to meet the requirements of socialist defense education with Chinese characteristics in the new era.