Director of plastic surgery department, Union Hospital of Tongji Medical College, Huazhong University of Science and Technology, national second-level professor, chief physician, doctoral supervisor, deputy director of the Chinese Medical Association plastic surgery branch committee, standing committee in the Cosmetic and plastic surgeon branch of the Chinese Medical Doctor Association, deputy director of the committees in plastic surgery branch of Chinese Research Hospital Association, deputy team leader in the breast cosmetic professional group of the plastic surgery branch of of the Chinese Medical Association, executive director of the World Aesthetics for Plastic Surgeons of Chinese Descent, director of plastic surgery in plastic surgery branch of Hubei Medical Association. In 2017, Sun was awarded the title of "National Famous Doctor · Excellent Style" by the first National Famous Doctor Summit. He has long been committed to basic and clinical research in plastic surgery, tissue engineering and stem cell fields.