The graduation thesis must have real medical records, but it is limited to medical papers. Using the real number of cases, refusing to expand pathological data at will, and resolutely not making mistakes in medical knowledge. To ensure the scientific nature of the article. In order to make up for the number of cases, cases with serious defects in inspection items or observation items should not be included in the analysis data, and unqualified cases should not be excluded to improve efficiency. Real cases are necessary and more convincing. Before writing, carefully collect demonstration materials, design experimental objects reasonably and scientifically, and improve the design ability of the whole article. The article must innovate, try to study new fields, summarize new research results with new methods, and avoid repeating other people's experiments and peer's experimental methods to reach the same conclusion. Such a study has no practical significance.