The first category: most undergraduate theses with duplicate checking rate less than 30% are qualified, and most master theses with duplicate checking rate less than 20% are qualified.

The second category: the duplicate checking rate of most undergraduate papers exceeds 30%, but it is within 50%, which means that there is slight plagiarism and it cannot be qualified; If the duplicate checking rate of most master's theses exceeds 20%, but it is within 40%, it means that there is slight plagiarism and it is unqualified.

The third category: the duplicate checking rate of most undergraduate papers exceeds 50%, indicating that plagiarism is serious and needs to be revised and reduced; More than 40% of most master's theses are seriously plagiarized and need to be revised and deleted.