As a world superpower, the United States has always attached great importance to the preparation of war mobilization. On the basis of strengthening the legislation of Congress, the United States has established a national defense mobilization system, which takes the president as the core, and takes the government as the main body. And for different mobilization activities, the United States developed a "national emergency mobilization plan" and other mobilization plan of 20 categories, nearly 40 kinds. In order to quickly implement mobilization in a short time, these plans clear the field of government departments in the armed forces mobilization, equipment mobilization, mobilization of civil defense, economic mobilization, social and political mobilization and the responsibility they should bear. The extent of American war mobilization is at the forefront of the world. After the Second World War, the defense mobilization mechanism has undergone many changes, and has been formed a perfect mechanism on transformation from peacetime to wartime, which adapts the national security strategy and has enormous potential for mobilization. <<