The idioms of Hunan Xinning dialect are numerous.We have collected 208 idioms.This paper analysed them from type,meaning and cultural value.First,the idioms of Hunan Xinning dialect are numerous,which are clas-sified according to writing style and number of syllables.Second,the meanings of idioms of Hunan Xinning dialect are rich,which may be explained from the lexical meaning in a micro sense,group meaning in a meso sense and class in a macro sense.Finally,the idioms of Hunan Xinning dialect have dual cultural values both internally and ex-ternally,i.e.the cultural value possessed by language itself and the cultural value reflected by language.The fre-quency of use of idioms of Hunan Xinning dialect is high.What's more,they have local features,reflecting linguistic culture,humanity history,customs and mental outlook of Xinning dialect.