One category: Science Citation Index (SCI), Social Science Citation Index (SSCI), Engineering Index (EI), Art and Humanities Citation Index (A & amp； MEDLINE Xinhua Digest (full text)

The second category: China Science Citation Database (CSCD) and China Social Science Citation Index (CSSCI).

Three categories: general situation of Chinese core journals, China Science Citation Database (CSCD) (extended edition), and Chinese Social Science Citation Index (CSSCI) (extended edition) journals of other domestic universities.

Four categories: other publicly published academic journals.