Good graduation. Sun Yuanyuan, a teacher of Shandong University, adopts scientific and efficient teaching methods and adheres to the work spirit of loving their posts and dedication, and has formed distinctive school-running characteristics such as scientific and meticulous management, high-quality and efficient classroom and double-excellent moral education mode, and pays attention to the growth and progress of every doctoral student. Sun Yuanyuan's doctoral students have very strong professional ability, so graduation is easy. Shandong University is a key comprehensive university directly under the Ministry of Education with a long history, complete disciplines, strong strength and distinctive features, which has an important influence at home and abroad. In 20 17, it successfully entered the ranks of world-class university construction universities (Class A).