Content extract: it is an extract of the main content of the article, which requires short, precise and comprehensive. Format: in front of the content, occupying one page.

Keywords are selected from the title, abstract and text of the paper, which are words with substantial meaning to express the central content of the paper. Keywords are words used by computer systems to index the content characteristics of papers, which are convenient for information systems to collect and provide readers with retrieval. Generally, 3-8 words are selected as keywords for each paper, and a new line is set at the bottom left of the "abstract".

A paper generally consists of title, author, table of contents, abstract, key words, text, references and appendices, some of which (such as appendices) are dispensable. The composition order of the paper is: title, author, abstract, keywords, English title, English abstract, English keywords, text, references, appendix and thanks.

The four elements of

1. Purpose: To point out the scope, purpose, importance, tasks and preconditions of the research, rather than simply repeating the theme.

2. Methods: Briefly describe the work flow of the project, what main contents have been studied, and what work has been done in this process, including objects, principles, conditions, procedures and methods.

3. Results: State the important new findings, achievements and values after the research, including the data and results obtained through investigation, experiment and observation, and analyze its unsatisfactory limitations.

4. Conclusion: Through the research of this topic, the important conclusions, including the correct viewpoints confirmed from it, are analyzed and studied, and the significance of their application in real life is compared and predicted, combining theory with practice.