The introduction of the paper is also called the introduction, preface or introduction of the paper. Scientific papers are mainly composed of introduction, theory (results and discussion) and conclusion. The introduction puts forward problems, and this theory analyzes problems and induces and solves them. The introduction is the opening work. It is difficult to write an introduction before writing a book. In ancient literary theory, it was known as "crested pig belly and leopard tail". Although scientific papers will not emphasize that the beginning of the article is as beautiful, wonderful and fascinating as the phoenix head, the introduction is the first impression to readers and plays an important role in outlining the full text, which cannot be taken lightly.

The introduction of a dissertation consists of the following parts: 1, asking questions; 2. The background and significance of the topic; 3. Literature review; 4. Research methods; 5. The structure of the paper.

Ask a question: explain clearly what the question is.

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.