Professor SUN Jian (MD，PhD) has been engaged in clinical, teaching and scientific research in the field of oral and maxillofacial-head and neck tumors. In particular, it enjoys a reputation in radical surgery, postoperative defect repair and functional reconstruction. It has taken the lead in successfully carrying out a number of difficult, functional and pioneering surgeries in China.

He has won the First Prize of Science and Technology Progress of the Ministry of Education (the first winner), the Second Prize of National Science and Technology Progress (the second winner in 2019, the fourth winner in 2007). He edited and published monograph on head and neck functional surgery in China, Maxillofacial Functional Surgery. He also has undertaken a number of National Natural Science Foundation projects and provincial and ministerial projects, and has published more than 160 papers, including more than 60 SCI papers.