National defense mobilization is related to national security, and it is an important part of national strategy and military strategy. In order to win the modern war and safeguard national security and interests, the mobilization of war has become a very important issue in the national defense construction. Based on the relevant information, this article carries out a comprehensive analysis on the mobilization of war in some countries, and puts forward the following conclusions: make the necessary national defense mobilization laws and regulations, and provide the legal guarantee for the development of national defense mobilization work; improve the mobilization mechanism, straighten out the working relationship; formulate a national defense mobilization plan and provide a basis for the preparation and implementation of the mobilization; constantly strengthen the mobilization of strategic materials reserves; the implementation of peacetime and wartime, improve economic mobilization preparation; organize and mobilize exercises to improve the mobilization work. <<