Xi Jinping’s overall national security concept marks that China’s national security is becoming more and more mature and perfect. The overall national security concept highlights the theoretical character of the modernization of national governance, is to deepen the comprehensive deepening of reform ideas and practice in the field of national security, most clearly reflects the change characteristics of four aspects namely: way of thinking embodies the dialectical thinking; value idea is more prominently based on the people; the framework model pays more attention to sharing weal and woe; method of path is more concern about the requirements of the times. The overall national security concept, as the theoretical innovation of the national security, not only relates to the national security of China and the revitalization of the nation, but also has great and far-reaching influence on promoting world peace and development.