Class A construction universities of world-class universities include China University of Science and Technology, China Renmin University, China Ocean University, China Agricultural University and National University of Defense Technology. World-class discipline construction universities include China University of Mining and Technology, China Geo University, Youshi University in China, University of Chinese Academy of Sciences, China Pharmaceutical University, Communication University of China, China University of Political Science and Law, People's Public Security University of China, and China Academy of Art Conservatory of Music. Other universities include China Medical University, Ji Liang University in China, civil aviation university of china and China Theatre Academy. Among these universities, China University of Science and Technology and China Renmin University are the strongest, and of course there is National University of Defense Technology, but National University of Defense Technology will not be considered as a military school for the time being. In terms of alumni association ranking, Renmin University of China ranks fifth, while University of Science and Technology of China ranks relatively low, ranking 16.