It is a brief statement of the content of the paper, without comments, and requires a brief description of the purpose, research methods and final conclusion of the research work, with the focus on the conclusion. It is an independent and complete essay, which can be quoted and popularized.

Don't simply repeat the existing information in the title, avoid writing the content in the introduction as a summary, don't copy the subtitle table of contents or text in the conclusion of the paper, and don't interpret the content of the paper.