”Closed” therapy is a treatment method that uses different doses and concentrations of local anesthetics injected into the tissue to reduce the central stimulation of the local lesion and improve local nutrition to achieve the purpose of anti-inflammation and analgesia, thus promoting the healing of the disease. Indications for “closed” therapy: acute and chronic injuries or degenerative changes of muscles, ligaments, fascia, tendon sheaths and synovial membranes in various parts of the body, such as frozen shoulder, lumbar strain, tendovaginitis, etc. ※How to look at “closed” therapy? As long as the correct grasp of the indications for closed therapy, reasonable standardized use of “closed” drugs, closed therapy is a simple, effective, safe and reliable method of pain treatment. The serious side effects and sequelae of hormones will only appear if used in large quantities for a long time, but not in small doses and short courses. What is microneedle therapy? Microneedle therapy is a closed release procedure between surgical and non-surgical methods. It is based on the incisional surgical method combined with the needling method. The operation is characterized by stabbing deep into the treatment site to the lesion for easy cutting and peeling to achieve pain relief and dispel the disease. Its indications are mainly soft tissue injury lesions and bone and joint lesions. The advantage of this procedure is that it is simple to perform and is not restricted by any environment or conditions. The treatment incision is small, without sutures, and the damage to human tissues is also small, and it is not easy to cause infection and no adverse reactions. The therapy is a treatment method that uses different doses and concentrations of local anesthetics to inject into the tissues, using its local anesthetic effect to reduce the central stimulation of local lesions and improve local nutrition to achieve the purpose of anti-inflammation and analgesia, thus promoting the healing of the disease.