The European Union as a successful political community in transnational form with growing impact draws attention beyond academic sides. It is confirmed that beyond organizational institutions a political community needs also a set of narratives which usually points to “an ultimate road” in the future. Noticeable enough is that until now，neither does EU have narrative of ultimatality，nor does it based merely on the economic globalization and handover of the politics to a higher power from national states，which the traditional theory would assume.

The second part traces the time back to the 1970s，when “Cultural Politic as Social Politic” came into being in Germany. A trend of culturalization of the society and the socialization of culture went through. Cultural construction of living community，i.e.，the cities，influences and changes the political discourses. Competence for active construction from the “bottom” is highlighted. The traditional borderlines between politics，society and culture go blurring. A new form of narrative appears.

The third part endeavors to explain it through the theory of social mechanism and process tracing. Recent researches on multiplicity of mechanism have shown that cultural and institutional processes institutionalize themselves and transform to each other.

By linking the time together，this paper affords not only an innovative perspective for EU-research and cultural science，but also a theoretical interdisciplinary contribution both to political and social science.