Each school has different regulations. Some schools stipulate that the plagiarism rate and citation rate are below 30%, some schools stipulate that they are below 20%, and most schools stipulate that they are below 10%. However, if the periodical department exceeds 30%, it will be rejected directly. The regulations of some schools are different, and the main final conclusion is that students usually check their papers with PaperRater papers. The results are closest to HowNet and the requirements are the most stringent.