As the supreme power and soul of a nation,sovereignty is the most internally authoritative as well as externally independent.However,with the acceleration of post-war globalization,our national sovereignty is undergoing unprecedented challenges which find expression in the serious impairment of the state's control and management of the economic activities,the weakening of the state's political independence,the great impact on the independence of national security,the great challenge to the cultural independence,as well as the unprecedented crisis for the identification of our nation.As a result,we should be committed to the multi-polar development of the world,to the diversification of the world and the democracy of international relations,to the promotion of our comprehensive national power and international competitiveness,so as to involve our country in the international development and cooperation,to facilitate our national interest,safeguard the national sovereignty,institute security strategies in accordance with globalization and maintain the safety independence of our nation,and to develop our national spirit and strengthen our national cohesive power as well as our political identification.