Finally,mankind will realize perpetual peace all over the world.

How can Kant s perpetual peace be reallized?Kant s theory of natural end guarantees the requirements for perpetual peace.

Reason , Justice , eternal peace——on kant`s political ethics;

Both Habermas and Rawls inherit Kant s notion of eternal peace and explore how to move from national countries to a universal world of great harmony, yet both of them try to reform Kant s idea of peace in his “On Eternal Peace”, in line with the historical experience of human beings in the past 200 years, although the two of them followed different approaches.

How Can a Just Peace Be Possible? ——A Critical Reading of Kant s Everlasting Peace and Rawls The Law of Peoples;

Reviewing of Kant s Thoughts about International Law Whose Supreme Idea is the Achievement of Permanent Peace;

Through the analysis of Kant\'s thoughts of permanent peace and practices of German history,this thesis will present the influence of Kant\'s thoughts on the outlook of Germany security and show how international security has been impressed by Germany under the guidance of Kant\'s thoughts.

Gerhard appraises Kant\'s idea of permanent peace from political philosophy and Habermas appraises Kant\'s idea of permanent peace from social philosophy.