2004年欧盟进行的第五次扩大作为一种新的国际政治现象受到了世界的普遍关注,越来越多的目光投注到欧洲统一扩大与深化上来。但是回顾历史,谋求欧洲统一有着相当的历史渊源,没有一定的历史积淀,欧洲统一的实践是不可能走这么远的。因此,本文主要探讨早期欧洲联合思想的起源和发展。 The fifth EU enlargement in 2004 as a new type of international political phenomenon has drawn the world’s attention. More and more attention has been devoted to the expansion and deepening of the reunification of Europe. However, it is impossible to go back to the history and seek the unification of Europe for a long time because of its historical origins and lack of historical accumulation. Therefore, this article mainly explores the origin and development of early European Union ideology.