Abstract: With a development of economic globalization, the international legal order is meeting new opportunities and challenges. Meanwhile, international judicial bodies are showing their active performances, influencing the development of the international legal system. In the 1950s, Hans Kelsen, a famous scholar of pure theory of law, held that international judicial institutions could help a lot to resolve disputes peacefully and simulate evolutions of the international legal order. Therefore, based on his theory about international judicial bodies, this paper focuses on nowadays status of international judicial bodies, trying to understand and reflect their roles in the foundation of international legal order.

Key words: pure jurisprudence , state sovereignty , international judicial institution , international legal order