First of all, duplicate checking is an important aspect to judge the quality of papers. Nowadays, with the popularity of the Internet, a large amount of information becomes easy to obtain, but it also brings great challenges to plagiarism. A high-quality paper should be the product of originality and independent thinking. Therefore, it is necessary to judge the quality of the paper by detecting its originality and similarity with other documents. The appearance of paper duplicate checking system greatly facilitates this work, which can judge the originality of a paper by comparing a large number of documents. A high-quality paper, the similarity should be very low, indicating that the author has done sufficient independent thinking and research. Then, when the paper duplicate checking rate is high, it needs to be modified according to the paper duplicate checking report. For example, paperfree and papertime support online and real-time duplicate checking, which is convenient for us to modify.

Secondly, a high-quality paper should have rigorous research methods. The research method is one of the core of the paper, which is directly related to the scientific nature and credibility of the paper research. A high-quality paper should include clear and detailed research design, reasonable sample selection and scientific data analysis methods. In addition, a high-quality paper should follow scientific ethics and strictly operate and evaluate the collection, analysis and interpretation of data.