Abstract: XiJinping's overall national security concept is a series of fundamental views with careful logic structure on building and maintaining the national security with Chinese characteristics.Served as a guideline,it has realized the leap of our Party in the theory of national security.It upholds the principle of integrating comprehensive security with systemic security,national security with the security of the people,and China's security with the security of the rest of the world,and ensures that all aspects of security are managed and consolidated in a coordinated manner.A thorough study of the Xi Jinping's overall national security concept will enable us to keep to the right direction of our national security work,advance the building of a safer China at a higher level,and better balance security and development.Xi Jinping's overall national security concept is a theoretical guideline for realizing the overall situation of the great rejuvenation of the Chinese nation,coping with the changing situation unseen in the world in a century,and creating a new situation of the cause of socialism with Chinese characteristics.

Key words: XiJinping, national security concept, an overall situation of national rejuvenation, a changing situation unseen in a century, a new situation of the cause of socialism with Chinese characteristics