Revise the paper: you need to check the content of the paper carefully, find out the duplicate parts and make corrections. We can try to change the way of expression, add new data or cases, or reorganize and express the literature to reduce the repetition rate.

Manual weight loss: If the above methods can't reduce the repetition rate, you can consider manual weight loss. Methods of artificial weight loss include but are not limited to inserting symbolic new words, changing word order, exchanging abbreviations and full names, etc.

Rewriting: If the repetition rate is too high, modification and deletion can no longer solve the problem, it needs to be rewritten. On the original basis, increase originality and innovative thinking, improve the quality and independence of the paper, and meet the requirements of the school.

Seek guidance: If you can't solve the problem yourself, you can seek guidance from a tutor or other professionals. They can provide suggestions and guidance on how to reduce repetition rate and improve the quality of papers, and help the author overcome difficulties.

Use paper duplicate checking software: you can use various duplicate checking software to check the repetition rate of papers, and modify and delete them. These softwares can find duplication and plagiarism, and provide modification schemes to ensure that the papers meet the requirements of the school.