Xiong, male, deputy chief physician of Shenzhen People's Hospital, tutor for master students, director of orthodontic room, orthodontist, chief physician and tutor for master students. 1988 graduated from School of Stomatology, West China University of Medical Sciences. Member of the Standing Committee of Orthodontics Professional Committee of Guangdong Stomatological Association and Degree Expert Group of Guanghua School of Stomatology, Sun Yat-sen University. Senior Visiting Scholar of Orthodontics, School of Dentistry, Jeonnam University, Korea; Visiting scholar of orthodontics, School of Dentistry, Albert University, Canada; Member of Orthodontics Professional Committee of Chinese Stomatological Association; Member of the World Orthodontic Union (wfo).