Background and significance of topic selection: explain why this topic is chosen for research, that is, explain the contribution of this research to the development of disciplines and the theoretical and practical significance to the national economy and people's livelihood.

Literature review: make a comprehensive review of the literature within the scope of this research topic, and at the same time, have "comments", point out the shortcomings of existing research results, and express your own ideas for improvement.

Research methods: Explain the scientific research methods used in the paper.

Paper structure arrangement: Introduce the writing structure arrangement of this paper.

"What has been said in the introduction of the second chapter, the third chapter and the literature review part is not repeated here.

The conclusion is to refine and summarize the main research results and arguments of the paper, which should be accurate, concise, complete and organized, so that people can fully understand the significance, purpose and work content of the paper after reading it. This paper mainly expounds the position, function and significance of his creative work and research achievements in this academic field. At the same time, we should strictly distinguish our own achievements from those of our tutors and others.