According to the academic hall, the preface of graduation thesis is also called introduction, which is a short paragraph in front of the text. The preface is the preface of the paper, which aims to explain the ins and outs of this study to readers, arouse readers' interest in this paper, and play a role in outlining and guiding reading interest in this paper.

Clarify the basic problems of writing introduction;

What problem do you want to explain through this article? What's new? Is it of academic value? Therefore, before writing the preface, we should know as much as possible about the relevant contents, collect the main data of predecessors and others' work, and explain the rationality of this study.

The writing principles of the introduction of the thesis:

Be concise, highlight key points, respect science and seek truth from facts.

The introduction of graduation thesis includes the following parts:

1, problem;

Explain clearly what the problem under study is.

2. The background and significance of the topic;

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

3. Literature review;

This paper makes a detailed and comprehensive review of the literature within the scope of this research topic. At the same time, there should be "comments" to point out the shortcomings of the existing research results and express their own ideas for improvement.

4. Research methods;

Explain the scientific research methods used in the paper.

5. The structure of the paper.

Introduce the writing structure of this article. Writing of "Chapter II, Chapter III and Chapter IV"