On April 20th, 2013 Postgraduates Graduation Ceremony of SEM was held in Yifu Building, Tongji University. Guests presented at the ceremony are Prof. Yuguang CHEN, Deputy Dean of Graduate School, Mr. Musheng SONG from Administration Office of Graduate School, Prof. Jiazhen HUO, Dean of SEM, Deputy Dean of SEM, and the Deputy Deans of SEM, namely Prof. Qingsong RUAN and Prof. Ruijie WANG. Representative of postgraduate supervisor, and representatives of postgraduate parents and 284 students to graduate in 2013 participated the ceremony.