The exercise unit of the integrated textbook is not isolated.It is interrelated. Therefore, in the process of teaching students, teachers should not carry out one-sided teaching. That is to say, for the teaching of writing, the most critical objective and criterion is to enable students to firmly grasp the knowledge they have taught and use writing on this basis. That is to say, when conducting relevant writing suggestions and guidance, they must pay attention to the teaching of methods, so that students can get a certain understanding and cognition of methods, and then use them in the writing process. In addition, they should also set up corresponding situation class to improve their writing ability.