Abstract

After the Cold War, the European Union began to common security and defense cooperation will put on the agenda. As the EU's Common Foreign and Security institutional framework of the specific mechanisms and phase independent part of the EU common security and defense policy of achieving peace and stability in Europe, a prerequisite. As the EU's common security and defense is still in the process of exploration and development, between different schools of thought on the perception and interpretation are still controversial and there are large differences. In the comprehensive reference on the basis of the theory, you can build a strong explanatory power and relevance of the EU common security and defense of the theoretical framework - institutionalization of security cooperation. After the Cold War, Common Security and Defense Policy has been put on the European Union's agenda. As a specific institution and a relative independent part of the entire institutional framework, CSDP has become a precondition for European peace and stability. Since EU "common security and defense are still in the process of exploration and development, as a result, there are various debates and disputes around it among different theoretical schools. Combined the insights of different theories, this paper tries to provide a new theoretically eloquent framework in analyses of CSDP, ie, that of institutionalization of security cooperation