After nearly a hundred years of development,discourse analysis has yielded abundant achievements,but the academic field in China has not yet provided a comprehensive review of the mainstream directions demonstrated in its historical evolution.This paper extracts its four main streams:"discourse analysis and linguistics","discourse analysis and cognition","discourse analysis and eco-social environment",and"discourse analysis and foreign language teaching".Then it elaborates on the main evolution context of discourse analysis and looks forward to its future development from three aspects:"discourse analysis research in the age of artificial intelligence","discourse analysis based reform of foreign language education and teaching",and"discourse analysis based construction of national discourse system".It proposes that researchers should actively examine new paradigms of discourse analysis and language research in the artificial intelligence era,with the aim of the cultivation of foreign language talents,the establishment of national foreign language discourse systems,the further comprehensive improvement of discourse analysis capabilities,and the promotion of the innovative development of linguistics in China.
discourse analysislinguisticscognitioneco-social environmentforeign language education and teachingartificial intelligence