OA paper periodicals are called open source paper periodicals, or OA(Open Access) for short, and they are free online periodicals. That is to say, academic information resources are placed on the Internet, and anyone can get them for free, free from copyright or registration restrictions, so that all users can get the full text of journal papers through the Internet without restrictions; In terms of paper quality control, OA journals are similar to traditional journals and adopt strict peer review system.