Arms and back pain at the same time can be caused by the following reasons: First, cervical spondylosis, when cervical spondylosis serious compression of the nerve root, there can be radioactive pain in the back and arms, often in the neck to the affected side of the deviation of the pain is very obvious, this time, we need to check the cervical spine of the X-ray film, CT, and magnetic resonance imaging to diagnose and early treatment. Secondly, myofasciitis, myofasciitis patients can take the pain in the inner side of shoulder blade as the first symptom, which can be accompanied by the symptoms of radiating pain in the arm and shoulder, and there can be the soreness and numbness of the upper limbs on the same side and weakness, which should be examined and checked at an early stage, and other diseases should be ruled out to make early diagnosis and early treatment. Third, shoulder diseases, when the shoulder joint has frozen shoulder, can also have the symptoms of arm and back pain at the same time, often accompanied by shoulder joint activity limitation, then to check the shoulder joint X-ray film, MRI and physical examination to diagnose.