Undergraduate thesis requires 6000- 10000 words. When writing undergraduate thesis, the number of words is a very important factor. The number of words in an undergraduate thesis should be between 6000- 10000 words. This word range can ensure that the content of the paper is full and complete, and it will not be too cumbersome. Only by writing a paper that meets the requirements of the school can we reduce the duplicate checking rate of the paper and successfully participate in the defense under the premise of ensuring the quality. Papers appear in various academic fields, not only as a means to discuss problems and conduct academic research, but also as a tool for academic exchange. Papers can include different types, such as academic papers, graduation papers, dissertations, scientific papers and achievement papers. A paper includes introduction, research background, research purpose, research methods, research results and conclusions. Strict logical reasoning and data analysis are needed to prove the author's views and conclusions.