Bakhtin's theory has aroused great concern from various disciplines .In recent years,it has been studied from the perspective of communication,but its research is not sufficient,mostly only in terms of simple analogy and its application . Being important resources of thought and theory in communication field,Bakhtin's theory actually deserves intensive study and its research should be started with its ideological value .Since the 19th century,there has been a problem in communication field arising from the mode of thinkingin isolation and the thinking atmosphere of suspicion and split : thinking about the possibility of the world through communication has become a habit of mind,which is one of the critical consequences in the process of sudden change of modern thoughts . Being an indispensible component of the grand knowledge background,Bakhtin's theory makes many scholars pay attention to the issue of communication and media . The world being determined by technology,Bakhtin's theory of dialogue is in a position to enrich our comprehensive understanding of communication and is of great value and historical significance in our thinking about communication and the world in communication .