The research background of the paper is very important, which is the basis and premise of the whole paper. The research background can help readers understand the source, development, present situation, existing problems, significance and value of the research, and provide necessary background knowledge for understanding the research content.

Specifically, the importance of this research background is shown in the following aspects:

1. Determine the research question: through the analysis of the research background, clarify the generation and development process of the research question, thus determining the importance and necessity of the research question.

2. Positioning research problems: By summarizing the current research situation, the shortcomings of the existing research and the problems to be solved are clarified, so as to position the research direction and focus of this study.

3. Explain the research significance: By explaining the research significance, explain the contribution and innovation of this research, and further improve the academic level and research value of the paper.

4. Improving the credibility: By fully expounding and analyzing the research background, the credibility and persuasiveness of the paper can be improved, and readers' recognition and acceptance of the paper can be enhanced.

In a word, the research background is an important part of the whole paper, which lays the foundation for the follow-up research content and improves the academic level and research value of the paper, so it is very important.