Literature is for conveying truth and moral instuction (Wen yi zaidao) is the traditional definition of the relationship between literature (Wen) and truth (Dao). The debates on the relationship between Wen and Dao are crucial issues bothering Chinese Language and Literature teachers for a long time. In order to clarify the relationship between Wen and Tao, the researcher should back to the original meaning for these two terms, analyze the historical evolution of their meanings, and then understand the authentic meaning in the language context. When the teachers face the changing meaning of literature and the contradiction between Wen and Dao, they should back to the life in Chinese Language and Literature. Teachers should guide the student to achieve the state of harmony with Wen and Dao integrated as the one.