Graphite electrode refers to petroleum coke, asphalt coke as aggregate, coal asphalt as binder, after raw materials calcining, crushing grinding, batching, mixing, molding, roasting, impregnation, graphitization and mechanical processing and made of a kind of high temperature resistant graphite conductive material, called artificial graphite electrode (referred to as graphite electrode), to be different from the natural graphite electrode prepared by using natural graphite as raw material.