Chinese core periodicals are appraised by Peking University Library in conjunction with many authoritative experts in academic circles, and are widely recognized by academic circles at present. In terms of influence, its ranking is one of the more authoritative in the same category, and it is the most authoritative in academic influence except Nantah Core and China Science Citation Database (cscd). Traditionally, the core journals of Peking University are evaluated by Peking University Library every four years, and a book "Catalogue of Core Journals of Peking University" is published. The following are the degraded publications and new periodicals of Peking University Core Catalogue 2020 compiled by Bian Xiao.

First, the core catalogue of Peking University (2020 edition) was downgraded.

1, modern intelligence

2. Electric drive

3. Modern electronic technology

4. Art Grand View

5. Meat research

6, coal mine machinery

7. New building materials

8, concrete and cement products

9, material protection

10, Works of Art (provided by the author) Hydroelectric Power Generation (provided by the author)

1 1, food industry

12, Teaching and Management

13, printing and dyeing auxiliaries

The second is to upgrade the core catalogue of Peking University (2020 edition).

1, Journal of Beijing University of Technology Social Science Edition

2. Northwest population

3. Journal of Hubei University for Nationalities Philosophy and Social Sciences Edition

4. Management case studies and comments

5. Journal of Suzhou University. Educational science edition

6. Biology teaching in middle schools

7. Language strategy research

journal of beijing dance academy

9. Inorganic analytical chemistry in China

10, Journal of North China University of Water Resources and Hydropower Natural Science Edition

1 1 Journal of Shaanxi University of Science and Technology

12, Guangxi Science Department

13, China Hospital

14, China journal of biological products.

15, disease surveillance

16, magnetic vibration imaging

17, Journal of Biosafety

18 Journal of Guangdong Ocean University

19, clean coal technology

20. China Journal of Clinicians (electronic version)

2 1, social security research

22, chemical industry and engineering

23. Modern national defense technology

24, modern textile technology

25, radio engineering

Medicine and philosophy

27, tool technology

Journal of Qinghai University for Nationalities (Social Science Edition)

29. Jiangsu Agricultural Sciences

30. Journal of Water Resources and Water Engineering

3 1, resource development and market

32, forest engineering

33. Chinese and foreign grapes and wine

Journal of Xi International Studies University

35. Journal of Geomechanics

36, engineering blasting

37. China Journal of Antibiotics

38. Chongqing Higher Education Research

Journal of Jiangsu University of Science and Technology (Natural Science Edition)

40, public management and policy review

4 1, Tianya

42. Journal of Beijing Union University (Humanities and Social Sciences Edition)

43, agricultural economy and management

44. Marine mapping

45. Frontier of marine geology

46, middle school geography teaching reference

47, coal technology

48, casting technology

49. Shanghai Urban Planning

38. Chongqing Higher Education Research

Journal of Jiangsu University of Science and Technology (Natural Science Edition)

40, public management and policy review

4 1, Tianya

42. Journal of Beijing Union University (Humanities and Social Sciences Edition)

43, agricultural economy and management

44. Marine mapping

45. Frontier of marine geology

46, middle school geography teaching reference

47, coal technology

48, casting technology

49. Shanghai Urban Planning