Respect for different civilizations in the world is the presupposition of the diplomatic ideas of "harmonious world";Adherence to the principles of peaceful co-existence is the political basis for that idea;Development and prosperity is the economic guarantee for the harmonious world;Consultation and co-operation is the basic approach to a harmonious world.

Ever since the end of WW II,the issue of Japan’s security has been considered more and more from such angles as the country’s economy and the related fields,though with the economic security theories and policies at different stages showing different features.