Generally speaking, the opening report should outline the author's intention, which theories are mainly used and the purpose to be achieved. Explain the purpose and significance of the topic, and point out the scope of the paper writing. The introduction should be short and concise, and stick to the theme.

There are several ways to write it: the first way is to state the reason or purpose, time and place, object or scope, process and method, and personnel composition of the investigation itself, and draw the central question or basic conclusion from it; The second is to state the historical background, development survey, actual situation, main achievements, outstanding problems and other basic situations of the respondents, and then put forward the central issues or main viewpoints; The third is to come straight to the point and directly summarize the survey results, such as affirming the practice, pointing out the problems, prompting the impact, and explaining the central content. The preface plays the role of making the finishing point, and it should be concise and to the point.