The first part is focused on the development of relations between Czech Republic and the European Union from beginning of the Community till the CR entry into the EU. Integration project itself has undergone during the fifty-year history of dramatic development. The aim is to summarize the facts of recent years before the Czech Republic into the European Union in 2004. The second part of the thesis is devoted to the advantages and disadvantages of EU membership. This issue is examined in several politico-economic levels. This section complements the interactive part in the form of research to respondents, the advantages and disadvantages of EU membership. The third part deals with the Czech presidency in general terms. The final part is called the EU's future - the role of CR. I aimed to set the Europe 2020 and its objectives.