If the repetition rate of the paper is high, it needs to be revised and improved to ensure the quality and credibility of the paper. Here are some methods that may be useful:

Check citations and references: If there are a large number of citations from other documents in the paper, you can check whether the citation format and references are complete and accurate, so as to ensure that the cited contents conform to academic norms.

Modify the copied and pasted paragraphs: If there are a large number of copied and pasted paragraphs in the paper, you can rewrite or modify them to make them conform to the theme and structure of the paper. Ensure that all referenced content has been completely rewritten and interpreted.

Use anti-plagiarism tools: use professional anti-plagiarism tools, such as Turnitin, iThenticate, etc. , which can help to detect the repetitive content in the paper and provide suggestions for revision. These tools can detect the content similar to other documents, and also help the author to improve the language and structure of the paper.

Reorganize the structure of the paper: If the repetition rate of the paper is high, it may be necessary to reorganize the structure and content of the paper in order to better express the theme and viewpoint of the paper. This may require deleting, moving or adding some paragraphs and rearranging the chapter order of the paper.

Consult a tutor or peer: If the repetition rate of the paper is high, it is recommended to consult a tutor or peer to check and revise it. They can provide valuable advice and guidance to help authors improve the quality of their papers and reduce the repetition rate.