SCI papers are the top papers in international academic circles, which can represent the most advanced technology and development trend of this major in the world. SCI periodical is an international core periodical. Generally, professors or associate professors can publish papers in SCI journals. SCI is the abbreviation of Science Citation Index, which generally refers to science citation index. It is a citation database established on 1957 by eugene garfield of institute for scientific information, Philadelphia, USA.

SCI (Science Citation Index), EI (Engineering Index) and ISTP (Science and Technology Conference Index) are three world-famous retrieval systems for scientific documents, which are internationally recognized as the main retrieval tools for scientific statistics and scientific evaluation.

SCI is one of the most famous retrieval publications in the world, and it is also an important tool for bibliometrics and scientometrics. Through the citation retrieval function, you can find the early, then and recent academic documents of related research topics, and at the same time get the abstracts of papers; You can see the records of cited references, the cited situation and the records of related documents.

The journals included in SCI mainly involve basic scientific research fields such as mathematics, science, culture, agriculture and forestry, medicine and biology, and the selected journals come from more than 40 countries and more than 50 languages.