In order to make teachers and students consider the teaching objectives and structure of this course, the teaching group should consider the appropriateness of the teaching content of online courses. This is the only way. Especially in the new round of teaching of this course, it is necessary to update the necessary course content, network resources and network learning organization form, so that students can make a complete learning plan according to their own time and characteristics; And what measures can be taken to evaluate and improve the content in the future, so as to make its online learning go smoothly.

Course introduction also includes the communication between students and teachers on learning objectives and learning methods through certain means, the formation of consensus on learning support methods and examination evaluation methods, and the preparation of teaching resources, including the choice of teaching resources and teaching content of online courses or/and the balance of novelty.