1. There are academic misconduct such as content falsification, ghostwriting and manuscript washing in the paper.

2. The paper is not standardized, the structure is loose, and there are many problems in text expression and arrangement.

3. The scientific research ability and basic knowledge are not solid enough, and the research ideas and methods of some papers are not feasible.

4. The topic selection is not innovative enough, and some papers have not concentrated the scientific problems mainly studied and solved.

Generally speaking, the school will first investigate the problematic papers and unqualified papers (some provincial capitals are separated). If your thesis contains academic misconduct such as content fraud, ghostwriting and manuscript washing, then your degree will be revoked. If it is a question of writing quality, some schools may let you revise it within a time limit and re-participate in review and review.