Zhang Suxin, deputy director of Stomatology Department of the fourth hospital of Hebei Medical University, doctor of medicine, chief physician, master's supervisor. In 1997, he graduated from stomatology of Hebei Medical University, and in 2007, he graduated from surgery of Hebei Medical University. He has been engaged in oral medicine for more than 20 years. He has rich clinical experience in the treatment of oral and maxillofacial diseases, odontopathy and dentition defects. He is good at the diagnosis and treatment of oral and maxillofacial neck tumors, temporomandibular joint diseases, maxillofacial injuries and the implant repair of dentition defects. Member of Stomatology Professional Committee of China health information and health care big data society, director of Stomatology and medical devices branch of Hebei Medical Industry Association, standing member of Stomatology Professional Committee of Hebei cancer prevention and treatment Federation, standing member of Stomatology emergency Professional Committee of Hebei stomatology Association, and temporomandibular joint disease and cooperation professional committee of Hebei stomatology Association Standing committee member of the association, standing committee member of the stomatology Professional Committee of Hebei Association of traditional Chinese and Western medicine, member of the stomatology and maxillofacial surgery Professional Committee of Hebei Association of Stomatology, member of the cancer minimally invasive intervention Professional Committee of Hebei Association of female doctors, member of the cancer internal medicine professional committee of Hebei Association of female doctors. He has presided over and participated in a number of projects of Hebei Provincial Department of science and technology and Hebei provincial health and Health Commission. He has won 2 first prizes and 3 second prizes for medical science and technology progress in Hebei Province, and published more than 30 academic papers in Chinese and English.