Zhu Weimin, MD, Chief of Quality Control Department of Shenzhen Second People's Hospital，Professor, doctor, doctoral supervisor, postdoctoral supervisor. Vice Chairman of Osteoarthroprosthesis Group, Chinese Medical Association Popular Science Society, Member of Youth Committee, Orthopaedic Branch of Chinese Medical Association, member of Digital Orthopaedic Group, Chinese Medical Association Medical Engineering Branch, Vice Chairman of Youth Committee, Sports Medicine Branch of Guangdong Medical Association, member of Guangdong Sports Medicine Physicians Association, Vice Chairman and Secretary-General of Sports Medicine Branch of Shenzhen Medical Association, Distinguished Professor of Shenzhen Continuing Medical Education Center, member of Shenzhen Labor Ability Appraisal Committee, chief expert of Shenzhen Health Education Expert Group. Clinical technical expertise: 1. Repair of large area cartilage injury of knee joint; Osteoarthritis diagnosis and treatment; 2. Minimally invasive treatment of knee patella dislocation; 3. Reconstruction after knee ligament injury, meniscus injury repair, etc.; 4. Diagnosis and treatment of shoulder and elbow joint diseases (such as shoulder periarthritis, rotator cuff injury, etc.). In China, autologous chondrocytes (ACI, MACI) transplantation under total arthroscopy was performed earlier to repair large articular cartilage defects. Total arthroscopic MPFL reconstruction of patella dislocation was performed earlier.