Language is one of the most important national property, but not the only attribute, also determine the necessary condition for national identity, ethnicity, language definition of the nation state is the core content originated in the language of modern German nationalism theoryplayed a positive role in history, also played a negative impact. the language of the national property tag features outstanding performance in modern Germany and France, but in the UK, Ireland, the relative weakening, even Ruoyouruowu. compared with the major European countries,Chinese modern and contemporary language planning more emphasis on language as a tool value and practical efficiency of the means of communication.