Academy is not a core periodical, but a very common periodical. Core periodicals refer to the periodical evaluation system such as Peking University Chinese Core, Nantah Social Science Core and Sci-tech Statistics Source Core. China Core Periodicals (Selected) Database is a database built by Wanfang. As long as the journals included in Wanfang are core selected database journals. There are many journals from head to toe, which are mixed with good fish and dragons and have strong academic factors.