Under the guidance of CT, the developed pedicle stereotactic system can make the accuracy of pedicle screw placement reach%, greatly reducing the operation time and intraoperative blood loss of the journal of surgical trauma, simplifying the operation of Dr. Spine and greatly improving the safety of surgery in the United States. The developed combined artificial joint can simplify the complicated joint revision operation, standardize the regular replacement of vulnerable parts, and greatly reduce the traumatic operation time and intraoperative bleeding. All the above technologies have won national invention patents, and the deputy chief physician has excellent knowledge and rich experience in treating various types of limbs, bones, joints, pelvis and compound injuries, cervical, thoracic and lumbar imaging diseases, spinal trauma and other complex problems abroad. He has rich experience and skilled clinical skills in the diagnosis and treatment of various bone tumors and tuberculosis infections, focusing on the diagnosis and treatment of gastrointestinal tumors, and is good at the surgical treatment of gastric cancer, gastrointestinal stromal tumors, intestinal cancer, pancreatic cancer, pancreatitis, abdominal hernia and anal benign diseases. He is good at surgical diagnosis and treatment of colorectal cancer, anal benign diseases and abdominal hernia.