During the postgraduate entrance examination, all subjects must not fail, and the results must be qualified and above. Postgraduates must publish one or three papers during their graduate studies, which is a requirement for students' academic level. Graduate students should provide at least 1 papers published by the first author in academic journals above the provincial level, or papers by the second author (the tutor is the first author), or proof that they have won the third prize of provincial scientific and technological progress or the second prize of municipal scientific and technological progress as project participants. The master's thesis involves state secrets and should not be published publicly.