1, which should explain the brief historical review of the research objects in related fields of this topic. Such as historical origin, present situation and future development trend.

2. Compare the situation at home and abroad horizontally.

3. Make your own comments on these studies.

This part of the content can also be processed from the opening report and literature review. The main problem of this paper is the lack of analysis and evaluation. Some just list other people's research works, without any analysis, and replace their own summaries with article lists.

Description of the research background of writing graduation thesis;

1, whether the research background is clear and interesting, and whether it makes people feel worthy of in-depth reading.

2. Whether the research direction is naturally derived from the background is fascinating.

3. Whether to briefly review the relevant research track and academic foundation, so as to provide sufficient preparation for drawing out the viewpoint of this article.

4. Whether to briefly evaluate and criticize the existing related research, so as to lead to the shortcomings and defects of the current research.

5. From the current research situation, we can see whether we have achieved a cognitive leap, so as to highlight the necessity and importance of this study.

6. Whether the evaluation of the above contents and viewpoints provides a basis for the demonstration and leads to the innovation and breakthrough of this viewpoint.