Since returning from studying abroad in 2005, many new technologies have been developed in artificial joint replacement and arthroscopic surgery, and won the new technology achievement award in our hospital. At present, minimally invasive total hip replacement, artificial hip replacement with femoral neck preservation, total knee replacement, complex artificial hip and knee replacement, shoulder replacement and artificial joint revision have been carried out. Arthroscopic cruciate ligament reconstruction, ligament repair, fracture repair, osteoarthritis cleaning, free body removal, knee joint adhesion release, meniscus formation and repair; Arthroscopic release of scapulohumeral periarthritis, acromioplasty, rotator cuff repair, cleaning of calcified supraspinatus tendinitis, Bankart repair; And arthroscopic surgery for various joint diseases and sports injuries, such as wrist, hip and ankle arthroscopy.