The review process and cycle of SCI journals vary from journal to journal, but generally speaking, the review cycle is between 3-6 months. The review process includes: the editor-in-chief or executive deputy editor-in-chief conducts a preliminary review and rejects some articles that do not meet the requirements of the research direction of the journal; Editors review papers to see if they meet the requirements of journals, which also determines whether the articles will stay or not. Peer review.