Xu Dabao, male, chief physician, professor of obstetrics and gynecology, currently deputy director of obstetrics and gynecology of Xiangya Third Hospital of Central South University, clinical skill assessment expert of Xiangya Medical College, procurement assessment expert of Hunan Provincial Government, member of National Endoscopy and Minimally Invasive Technology Review Committee, member of Gynecology and Minimally Invasive Professional Committee of Endoscopy Branch of Chinese Medical Association, and young member of Hunan Gynecology Professional Committee. Member of AAGL (American Association of Gynecological Laparoscopic Physicians) (since 20 10), editorial board members of china journal of endoscopy and china journal of modern medicine, and "He was awarded the titles of" Top Ten Young People "and" Excellent Young and Middle-aged Teacher "by the Third Xiangya Hospital and Central South University, the" Top Ten Courseware "award in the teaching competition of Central South University, and the" First Prize "in the teaching courseware competition of Hunan universities. Engaged in clinical, teaching and scientific research 10 years, with rich clinical teaching experience, in 2009. 1~2009。 During the six years, he visited Yale-New Haven Hospital in the United States many times and had academic exchanges in China and Europe. He has unique experience and insights in minimally invasive gynecology and female reproductive medicine, and has more than 30,000 cases of experience and skills in hysteroscopic surgery. Published hysteroscopy research papers 17, and put forward innovative research results. As the main researcher, he put forward the leading hymen hysteroscopy technology in China, and the related papers were published in the American Journal of Minimally Invasive Gynecology. ...