Existing Chinese periodicals, foreign periodicals, ancient books and other resources, including more than 1000000 articles in related fields of philosophy and social sciences, provide cable reading, full-text download and other services; It also contains links to databases of important government agencies, universities, academic institutions and fields of philosophy and social sciences at home and abroad for easy reference and use.

National Library Reference Alliance

With more than 2.3 million kinds of e-books, more than 40 million Chinese periodical papers, more than 26 million foreign periodical papers and a large number of digital resources such as dissertations and conference papers, it is a national-level document service platform.

Seek68 literature museum

The platform for collecting massive Chinese and foreign database resources covers a wide range of fields, supports full-text reading and downloading, and provides help for difficult documents. There are two ways: free and paid (low cost). There are no download restrictions.

China national data

China National Bureau of Statistics provides a database for querying and downloading massive data, including data of various regions and countries.

Idata

Peking University, Tsinghua University, Zhejiang University, Fudan University and other teachers, students and scholars jointly set up a public welfare Internet project for teaching and scientific research, which is known as the world's largest mirror website of Chinese Knowledge Network. It is a good choice for you who need China literature.

National Science and Technology Library

Collect, summarize and develop scientific and technological literature resources in science, engineering, agriculture and medicine, and provide public welfare and inclusive scientific and technological literature information services for the whole country.

Open access library (OALib) library

OA Library allows scholars to download academic documents and papers for free and publish their own papers on this platform. You can directly preview key information such as title, author and abstract online without downloading, saving a lot of time.

Find articles

It is a powerful search engine and can get free published documents. Most of the documents it collects can be read or printed for free, including medical journals.

PLOS

The first choice for medical students is the foreign language literature retrieval database, where you can search the latest and most professional research results in the world medical field and consult them for free!

science

A scientific website in the United States, a large comprehensive, multidisciplinary and core journal citation index database, free of charge! !

Pubmed

This is a free web-based biomedical information retrieval system, which was developed by National Biotechnology Information Center (NCBI) in April 2000 and belongs to National Medical Library (NLM).