1, China hownet: Applicable search literature types: well-known and most commonly used Chinese literature and doctoral thesis search websites in China. For students, they can directly use the campus network to log in and download files. In addition, HowNet can also search journals, academic papers, conference papers, newspapers, patents, standards, books and other academic documents.

2. Wanfang database: suitable for searching documents: a large-scale network database covering periodicals, conference minutes, papers, academic achievements and academic conference papers developed by Wan Fang Data Company; It is also a professional academic database in China, and enjoys the same reputation as China HowNet.

3.VIP: suitable for searching literature types: a large-scale Chinese periodical literature service platform in China, which provides all kinds of academic papers, all kinds of model essays, primary and secondary school courseware, teaching materials and other literature downloads.