欧洲经济一体化的基本内容就是实现内部统一大市场的四大基本自由,即货物、人员、服务与资本流动自由,其他各项政策的协调与执行都是围绕这四大自由展开。在四大自由中,人员的自由流动最为重要。本文将对欧盟自然人自由流动的国际法基础、欧盟自然人自由流动权利的内涵及其例外 The basic content of European economic integration is to realize the four basic freedoms of a unified internal market, that is, the freedom of goods, people, services and capital flows. The coordination and implementation of other policies are all based on these four major freedoms. Among the four freedoms, the free flow of people is paramount. This article will be based on the EU’s free movement of natural persons based on the law of the EU, the natural rights of free movement of the EU’s natural connotation and exception