Cervical spondylosis can cause right shoulder and back pain, but other diseases need to be excluded. In cervical spondylosis, especially nerve root cervical spondylosis, it is usually due to the herniated nucleus pulposus compressing the nerves and causing nerve root edema, which results in shoulder and back pain, accompanied by radiating pain in the upper limbs, as well as numbness in the arms and weakness in grasping. In addition to cervical spondylosis, other diseases such as trauma, frozen shoulder, rotator cuff injury, osteoarthritis, etc., can cause right shoulder and back pain, which is accompanied by pain, swelling, and limitation of shoulder joint movement. In addition, gallbladder stones, myocardial infarction and other disease attacks can also be right shoulder back pain, and may also be accompanied by abdominal pain or chest and back pain. When right shoulder pain occurs, you need to consider the possibility of a variety of diseases, it is recommended to seek medical advice in time, under the guidance of the doctor for examination and targeted treatment.