Abstract: Based on the current problems of teacher cultivation, the disconnection between the content of the textbook and the development of the times, and the monotonous methods of cultural teaching, Lasswell’s 5W mode of communication is applied to analyze the influence of communication subjects, communication contents, communication media and communication objects on the communication effect by using questionnaires and personal interviews, and the research proposes that we should build a good international communication team of Chinese teachers, improve the compilation of teaching materials for national education courses, and construct a teaching model of “perceiving China + cultural practice” , in order to enhance the effectiveness of culture teaching.