There is no difference between introduction and introduction. The introduction of the paper is also called preface. Usually placed in front of the paper, it gives a preliminary introduction to the research involved in the paper, usually one or several short paragraphs. Generally speaking, the introduction of the paper is the preface of the paper.

Usually, the introduction of a paper should cover the following points: What is the research background of this paper? What is the point of this paper? What is the research method of this paper? Is the design method reasonable? What new discoveries can be made? Is it of academic value? Whether readers are interested in the paper depends largely on the introduction.

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.

Introduction, as the beginning of the paper, briefly introduces the writing background and purpose of the paper, the origin and realistic requirements of the research, as well as the preliminary work and research survey in related fields, and explains the relationship between this research and the preliminary work, the current research hotspots, existing problems and the author's work significance, which leads to the theme of this paper and guides readers.

The introduction can also point out the theoretical basis, experimental basis and research methods of this paper, and briefly explain its research content; A few words foreshadow the results, significance and prospect of this study, but there is no need to discuss it.