A Research on Postponing the Extinction of Native Tongue of Minority Nationalities——research on extinction of endangered languages;

Preliminary Considerations on the Determinatin of the Nature and Position of Endangered languages;

Contemporary society is endangered languages has become a prominent cultural phenomenon, through the reconstruction of mother tongue literacy is desirable for the protection of endangered languages an important measure.

At present,it mainly concerns endangered languages to maintain varieties of human cultures.

Due to the special features of endangered languages, the investigation of their data has some peculiarities compared with that of other language data.

China has made remarkable progress in the study of endangered languages by publishing quite a number of research findings and holding some international academic conferences.

So we must take actual steps to preserve and protect endangering languages and culture of minorities.

By summarizing the language situation of Chinese minorities,analyzing the definition standard of endangered languages;the main representation of decadency of the use of minority languages,stating the significance and measures of protecting the endangered languages,we can indicate that we should reinforce the investigation of the languages used by underpopulated minorities.