How to write an introduction An introduction is also called an introduction, a preface or an introduction. 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.

Writing content and format of introduction

1, explaining the theme, scope and purpose of the paper.

3. Expected results or the significance of this study.

4. The introduction is generally not segmented, and the length depends on the content of the paper. The introduction of papers involving basic research is long, and the clinical case analysis should be short.

The introduction of most foreign papers is relatively long, generally around 1000 words, which may be related to the strict limitation of the number of words in foreign domestic journals.

The so-called introduction is to set a topic for the writing of the paper, with the aim of leading to the following. Only when the "proposition" is established, it is necessary to continue writing the paper, otherwise the writing of the paper will lose its meaning. The general introduction includes two meanings: first, the background of "topic selection", which explains the position and role of topic selection in this discipline and the research status, especially the existing or unsolved problems in the research. The second is to establish the problems to be solved in this paper according to the existing research situation, which leads to the following. There are two problems in the introduction writing of the general author.

1) The article is irrelevant and general. Some authors seem to regard the introduction of the paper as a form and a dispensable part, and separate the writing of the introduction from the writing of the text just to add a hat to the paper. It is a common phenomenon to discuss the importance of research in general, even from the position of the industries involved in technology in the national economy, just like the leader's speech. It is the theme of research, and it is also from macro to micro, staying in general terms. Obviously, as a result, readers can't accurately judge the specific value of "thesis proposition", and they also lack the summary and introduction of the research status quo. I wonder what is the difference between the author's research and previous research work? Therefore, the introduction of scientific papers must explain the background of research work and generally discuss the current situation of research problems. The discussion of the research status is not only to examine the author's possession and familiarity with the materials, but more importantly, to judge the significance and value of the research work and the credibility of the research results from the comprehensive degree and the old and new degree of the materials.

2) Citations are listed and lack of analysis and generalization. The introduction should not only reflect the breadth of the background, but also examine the author's understanding of the research background. Generally speaking, the author has no deep understanding of the problem studied. When introducing the current research situation, he often lists a large number of references, lists different practices and conclusions of different researchers, lacks the author's analysis and induction, fails to summarize the research results and existing problems, and some even list some documents that are not directly related to this research, unilaterally emphasizing the richness of information possession. Although some people think that different magazines have different requirements for the introduction of research status, from the perspective of paper writing, the purpose of introduction is to explain the significance of the thesis proposition, not to summarize the research data, although summary provides convenience for readers to find information. Therefore, we should use the author's own language to summarize the current research situation, especially the existing difficulties and shortcomings, thus leading to the theme of the paper.