Need. Because no matter how many times the paper has been reviewed, the revised description is a necessary document, so it is necessary. Thesis is a Chinese word, commonly used in classical literature, which means talking or exchanging ideas. At present, papers are commonly used to refer to articles that conduct research in various academic fields and describe academic research results, which are referred to as papers for short. It is not only a means to discuss problems in academic research, but also a tool to describe academic research results in academic exchanges. Including academic papers, graduation papers, dissertations, scientific papers, achievement papers and so on.