[Ma Wanli] is serving as the vice president of Gaoqing County People's Hospital. Department of Traumatology and Orthopaedics, MD, Deputy Chief Physician, Member of China Community Health Alliance, Member of the Bone Trauma Branch of Shandong Chinese Medicine Society, Member of Shandong Spine Endoscopy Technology Research and Promotion Branch, and Chairman of the Orthopedics Branch of Jinan Health Promotion Association. He is good at the surgical treatment of various fractures. He is the first to apply channel screw technology to fix pelvic fractures. He has rich experience in the surgical treatment of hip fractures in the elderly. He is skilled in performing total hip replacement surgery for elderly patients with femoral neck fractures.