Since the end of the Cold War，the United Nations kicked off an array of reform plans，some of which have been put into effect.As the principal judicial organ of the United Nations，the International Court of Justice is also faced with further development and reform issues.This paper mainly probes into some challenges to the jurisdiction system of the International Court of Justice and its new developmental trends，and puts forward some suggestions on the improvement of optional compulsory jurisdiction and prorogated jurisdiction（forum prorogatum）.