Academic misconduct: including plagiarism, plagiarism and tampering with data. These acts seriously violate academic ethics and norms, and if verified, the degree obtained may be revoked.

Paper quality: if the paper is not innovative enough, the topic is broad, and the paper lacks standardization, the quality of the paper may not meet the standard. In this case, the school can require students to rectify within a time limit, and if they are still unqualified after rectification, they may also revoke their degrees.

Excessive duplicate checking rate of papers: If the duplicate checking rate of papers is too high and exceeds the standards set by the school, it may also be regarded as plagiarism, thus affecting the degree obtained.

The defense failed: graduate students need to defend after completing their thesis. If the defense fails, it will also affect their degree.

Other violations: In addition to the above situations, graduate students have other violations in the process of writing their dissertations, such as writing and buying and selling dissertations. It may also affect the degree they get.