In Chinese periodical papers, the influence of the number of words on the quality of papers is a complex problem. Generally speaking, the number of words in a paper should be around 2200-3000 words. However, different journals have different requirements for the number of words in papers. For example, the core publications of Peking University require that the number of words in each article be controlled above 7,000 words, while the CSSCI publications require that the number of words in each article be controlled around 4,500-6,000 words. In addition, some journals may delete or modify papers to ensure the quality of articles.