The literature information databases are? China Knowledge Network (CNKI), Wanfang database, Wipu information, the National Philosophy and Social Science Documentation Center, WebofScience, PubMed and so on.

1, China Knowledge Network (CNKI)

China Knowledge Network is China's largest academic database, covering a variety of academic journals, doctoral and master's theses, conference papers, etc., rich in content, with a high academic value.

2. Wanfang Database

Wanfang Database is also a large academic database, which contains many types of academic resources, such as journals, dissertations, patents and so on.

3, Wipro Information

Wipro Information is a platform that provides scientific and technological information services, containing a large number of scientific and technological journals and patent information.

4, the National Philosophy and Social Science Documentation Center

The center contains a wealth of national philosophy and social science-related academic literature, which is very useful for researchers in the field of humanities and social sciences.

5, WebofScience

This is an international academic database containing a large number of academic journals and papers, which is widely used in scientific evaluation and academic research.

6, PubMed

PubMed is a biomedical database that contains a large number of biomedical-related journals and papers.

Reference: Baidu Encyclopedia-PubMed