Xu Bing, Ph.D., Director of Anorectal Surgery. Studied under several renowned domestic experts in anorectal surgery. Accumulated rich experience in clinical, teaching, and research work in anorectal surgery over 20 years, with deep expertise in mixed hemorrhoids, anal fistula, anal fissure, constipation, rectal prolapse, inflammatory bowel disease, colorectal tumors. Completed further study in anorectal surgery at the First Affiliated Hospital of Zhejiang University, worked in the Department of General Surgery at the Second Hospital of Lanzhou University. Prior to moving to Shenzhen, served as Director of Anorectal Surgery, People's Hospital affiliated with Hubei University of Medicine for many years. Master's and Ph.D. degrees from Wuhan University School of Medicine and West China Clinical Medical School, Sichuan University respectively. Participated in two National Natural Science Foundation projects and one provincial natural science foundation project, published over ten papers in SCI and other journals, received one major scientific and technological achievement award from Hubei Province, one municipal science and technology progress award.