It is normal to cite references when writing a paper. Only by reading enough references, different people's arguments and expositions, and the current scientific development in the industry can we write more qualified papers. Therefore, the requirements for duplicate checking in paper marking are not very high, as long as the format is correct, it will not be checked.

In general, there are only two reasons why paper citations are checked and marked red. One is that the citation marking format is incorrect, and the footnote items of the paper are not arranged according to word or duplicate checking system. Another situation is that if there are too many references, the duplicate checking system will naturally be marked red.

There are good and bad citations in the paper. If the citation exceeds a certain limit, the duplicate checking rate of the paper will increase a lot. As long as the quotation is reasonable, it will not be found out again. Therefore, it is necessary to choose the correct citation method to avoid duplicate checking in paper labeling. In general, you need to end with a period before double quotation marks, and you need to mark them accordingly, so that the duplicate checking system will automatically default to this paragraph as a reference and will not be detected by duplicate checking.