Pain in the arm belongs to the extremities and requires consultation with orthopedic surgery. 1. If the pain is in the joints, it is caused by synovitis or joint ligament injury, and requires consultation with joint surgery in orthopedic surgery. 2. Pain in the arm with numbness and weakness, numbness and weakness, indicating a nerve lesion, for the most common lesion in the upper extremities, belongs to cervical spondylosis, that is, compression of the nerve, or peripheral nerve lesion, which requires consultation with spinal surgery. 3. The most common lesions in the upper limbs are cervical spondylosis, which is compression of nerves, or peripheral neuropathy, which requires consultation with the spinal surgery department of orthopedic surgery.3. For myofasciitis, skin and soft tissue lesions, which specialty of orthopedics can be consulted. However, orthopedic surgery is divided into three subspecialties: spine surgery, joint surgery and trauma surgery, so it needs to be further determined according to the specific performance, if you can’t make it clear, you can consult a subspecialty first.