In light of several cases, the author gives a in-depth analysis for the concept of the workers within the European Union, and discusses the rights of workers, Maastricht Treaty leads in the concept of European Citizens,it is a critical historic moment of political and economic integration of European Union.

The institution of the Union citizenship was initiated by the civil rights on economy aspect of member states national in the Treaty of Rome, which included the free movement of persons between member states, establishing“European Society Fund”that improves worker s employment condition and enhance living standard, any discrimination was forbidden to other member nation national and so on.

In the process of integration, EU citizenship concept develops gradually from cultural essentialism to liberal rights, and it aims to be post-national citizenship as scholars think.

This paper, focused on the legal system of incorporation, studies the distinctive features of EU company laws and explores their illuminations on Chinese company law.