If the patient has pain in the arm bone, the causes are trauma, bone cyst or tumor, joint degeneration, nerve root cervical spondylosis, etc. The details are as follows: First, trauma: trauma to the arm bone, especially after traumatic fracture, will cause obvious pain in the arm bone, accompanied by swelling of the arm and limitation of activities. Bone cysts or tumors: Bone cysts or bone tumors in the arm bone will also cause pain in the arm bone. Joint degeneration: degeneration and hyperplasia of the bone joints of the arms can also cause pain in the arm bones. Neurogenic cervical spondylosis: patients will also feel pain in the arm bone. So after the patient has arm bone pain, must consult the doctor to see what the cause is triggered. Treatment for the cause of the disease, to promote the symptoms of pain in the arm bone to reduce, recovery. In the case of arm bone pain, we must pay attention to arm warmth, avoid cold, avoid excessive arm lifting and carrying activities, so as not to cause pain aggravation. When the pain is obvious, you can temporarily take oral non-steroidal anti-inflammatory drugs to reduce the pain.