自欧盟宪法草案出台以来,关于欧盟制宪成功与否的猜测与怀疑始终不断。这些猜测和怀疑聚焦在国家、宪法及主权三个问题上。欧盟宪法草案给传统的制宪理论提出了挑战,在后国家时代,传统的制宪前提的解释似乎显得苍白无力,新的时代需要新的国家、宪法及主权观念。一、欧盟的性质 Since the introduction of the draft EU constitution, the speculation and suspicion about the success of the EU constitution has always been constant. These speculations and doubts are focused on three issues: state, constitution and sovereignty. The draft constitution of the EU poses a challenge to the traditional constitutional theory. In the post-national era, the interpretation of the traditional constitutional presupposition seems pale and weak. The new era needs a new national, constitutional and sovereignty concept. First, the nature of the EU