Language and culture are intrinsically interconnected and interactive with each other.On one hand,language is a part of culture and plays a very important role in it:language expresses,embodies and symbolizes cultural reality.On the other,language is influenced and shaped by culture; it reflects culture.This kind of relationship of language and culture is indispensible,which is clearly refleccted in and especially ture with their play of roles in communication.Through the overviews of language and culture,and based on the case studies of three types of communication (cross-cultural,intercultural and multicultural communication ),this article is aimed at discussing the relationship of language and culture in detail from the perspective of communication,and further explain and prove the importance of language and culture in successful communication.