First of all, they are located in different geographical locations. National University of Defense Technology is located in Changsha City, Hunan Province, and National University of Defense is located in Haidian District, Beijing. They are different in nature. National University of Defense Technology is a comprehensive military university directly under the People's Liberation Army of China, which shoulders the heavy responsibility of cultivating military scientific and technological talents. National Defense University is the highest military academy in China directly under the Central Military Commission, and a comprehensive joint command university for advanced vocational education of the whole army. They also have different levels. National University of Defense Technology is a key institution for national and military construction, which belongs to the sub-theater level. National Defense University is a key construction institution of the "2 1 10 Project" of the whole army, which belongs to the level of sub-war zones.