Elsevier is an international publishing group, and its periodicals have various levels. Domestic authors generally choose international core journals, including sci, ssci, ei, etc. Elsevier periodicals are generally periodicals with high weight in the field, so there is no specific classification of periodicals, and the most important ones are publications mainly collected by publishing companies.

Elsevier is one of the largest publishers of scientific literature in the world, founded in 1880 and headquartered in Amsterdam. More than 350,000 papers are published in 2,000 journals published by Elsevier every year, and it has the largest abstract and citation database Scopus in the world.

Scopes? Is it a peer-reviewed index abstract database of academic papers? , covering journals, books, conference papers and international patent information in science and technology, medicine and social sciences published by more than 5,000 publishing houses.

Elsevier is one of the publishers of medical and other scientific documents. The research data of China's list of highly cited scholars in 20 16 comes from Scopus database owned by Elsevier, and * * * 1776 China scholars with world influence are selected from 38 disciplines including social science, physics, chemistry, mathematics and economics.