Qing Xu-Qing Xu, deputy director of orthodontics, member of the party group, deputy director of orthodontics and deputy chief physician, 1989 graduated from the Department of Stomatology, Zunyi Medical College, Guizhou Province, and has been engaged in orthodontics for 20 years. He has studied in Chengdu West China Stomatological Hospital, Shanghai, Nanjing and other stomatological colleges. He is good at fixed orthodontics and functional correction of various malocclusions in adults and children, and is proficient in straight wire arch and straight wire arch. In recent years, many academic papers have been published in journals above the provincial level.