Not Substitutable Functions Meaning Analysis on New-created Written Languages in Culture Changing——Taking the Ethnic Minorities of the Hani,Lisu,Naxi for Example

Implementation of creating new written languages for ethnic minorities started in the 1950s-a special historical period in China.Those newly created written languages of ethnic minorities played certain social and cultural functions and roles in different historical periods and promoted school education and anti-illiteracy education for ethnic minorities.This paper is base on the fieldwork taking Hani,Lisu and Naxi new written languages for example,and analyses on functions meaning that cannot be substituted,in some certain,which some functions are substituted by other written symbols or culture models,while some functions are still remaining their own features and not be substituted.