1, the update cycle is different: CSSCI is updated every two years, while the update frequency of core journals of Peking University is updated every three years.

2. Different publishing institutions: CSSCI is a database developed and published by China Social Science Research and Evaluation Center of Nanjing University, while Peking University Core Journals are jointly published by China Knowledge Network, China Academic Journals Network and Peking University Library Periodical Work Research Association. Difference is a Chinese word, which means distinction and distinction. It means comparing two or more objects, knowing different places and expressing different states or properties.