As a branch of Linguistics,Historical Comparative Linguistics develops rapidly.Its Language Contact Theory holds the idea that humanities,history,geography,culture and many other factors influence the differentiation and development of language deeply.To study the ZHAO language in the perspective of Contact Theory,there is a necessary condition,that is,the alien culture has a great impact on ZHAO culture during its existence and development through their conflicts and fusion.This paper want to discuss that ZHAO culture application to Language Contact Theory should be discussed on the premise of a historical perspective.