Arthritis can occur in the upper extremity joints such as the knee, shoulder, and hand. There is a correlation between arthritis and the aging of the body, and people over the age of sixty will have some type of arthritis. Symptoms The symptoms of arthritis include swelling, heat, pain and dysfunction of the affected joint, limited movement, protrusion of the base of the thumb, redness and temperature changes in the joint, swelling and swelling of the surrounding soft tissues, fluid accumulation, pain when pressing the joint with the finger, and in severe cases, deformity of the joint and reduced range of motion. Imaging tests such as ultrasound, X-ray, CT, MRI, etc. Treatment General therapy: frequent rest to protect the joint and avoid strenuous and excessive activities. Drug therapy: Non-steroidal anti-inflammatory and analgesic drugs (NSAID) can relieve pain and anti-inflammation, and herbal medicine taken internally and external hot compresses and fumigation soaks can relieve the disease and delay its course. Surgical treatment: Surgery can be performed when osteoarthritis is advanced with deformity or persistent pain that affects life, such as joint replacement or arthroplasty, for patients for whom conservative treatment is ineffective. Physical therapy: Microwave thermotherapy is a successful physical therapy at home and abroad in recent years, which can be effective for some parts that cannot be treated with drugs. Auxiliary treatment: baking electricity, massage, acupuncture, etc., although no fundamental effect but play a sedative, relaxation effect.