Look at the similarity of the total literature. Red is the part copied by serious students, and the similarity can reach 80% to 100%. This must be revised. Orange means slight plagiarism, and the similarity is between 50% and 80%. A paper (or academic paper) is an article that discusses, studies and describes the research results of this discipline in the scientific field. In other words, the paper is not only a means for researchers to discuss problems and conduct scientific research; It is also a tool to describe scientific research achievements and conduct academic exchanges. Papers are precious spiritual wealth of human beings. Excellent papers often influence people's thoughts and are the cultural basis of social progress and development.