In the Shaoyang dialect,there are many types of topic-copying constructions,which have various semantic and pragmatic functions.The degree of grammaticalization of these topic-copying constructions is high enough to be considered as a kind of secondary overlap which evolves from syntactic or pragmatic topic.The Shaoyang dialect has typical characteristics of topic-prominent language,comparatively speaking,its topic-prominent feature is stronger than Changsha dialect and Beijing dialect,but weaker than Shanghai dialect,while its typicality of SVO is just on the contrary.