Peking University's core journals refer to the journals recognized as high-quality academic journals by Peking University Library and listed in its core journal catalogue, which has certain reference value for the retrieval and identification of papers. In general, choosing the core journals of Peking University to publish papers can improve the academic level and reputation of the articles.

First of all, the catalogue of core journals in Peking University was formed by Peking University Library after years of screening and evaluation, covering many disciplines, including high-level academic journals at home and abroad. Therefore, the journals included in Peking University's core journals have high academic quality and reputation, which can reflect the frontier and level of academic research.

Secondly, choosing the core journals of Peking University to publish papers can improve the citation rate and influence factors of articles. Due to the relatively high periodical evaluation index of the core journals of Peking University, the articles collected have high academic value and influence, and are more likely to be cited and disseminated by other scholars, thus improving the impact factors and academic influence of the papers.

In a word, choosing the core journals of Peking University to publish papers can improve the academic quality and reputation of articles, and increase the citation rate and impact factors. However, the core journals of Peking University are not the only academic evaluation criteria, and other factors need to be comprehensively considered, such as the professionalism, influence, peer review quality, originality and academic value of articles.