In the future, war is the war of science and technology among countries. In addition, nanotechnology plays an irreplaceable role. In the military field, many advanced countries in the world are carrying out extensive research and development. With the development of nanotechnology and its continuous application in weapons and equipment, weapons and equipment have been improved in many ways. This paper mainly studies the application of nanotechnology materials in military equipment. Moreover, it briefly describes the military modernization process of nanotechnology, as well as its influence on the outcome direction of the military wars.