Dr. Hao Liu majors in the treatment of orthopedic trauma and multiple injuries. He specialize in minimally invasive surgical treatment of limbs, spine fractures and pelvic and acetabular fractures, as well as the diagnosis and treatment of chronic osteomyelitis and nonunion. He has visited the Prince of Wales Hospital in Hong Kong and the University of Hamburg Medical Center in Germany. As the first author, he published 2 papers in scientific journals. His Member of International Society of Internal Fixation AOTRAUMA, Member of Orthopedics Branch of Chinese Medical Doctor Association, Member of Trauma Infection Professional Committee of Traumatic Surgeons Branch of Chinese Medical Doctor Association, Member of Repair and Reconstruction Branch of Bone Disease Professional Committee of Chinese Medical Education Association, Orthopedic Branch of Shandong Medical Association Member of the academic group, member of the Emergency Trauma Branch of the Shandong Medical Association, member of the Orthopedic Branch of the Shandong Association of Geriatrics, etc.