Shoulder, neck and back pain may be caused by the following reasons: first, cervical spondylosis, when cervical spondylosis compresses the nerve roots, there can be pain in the neck, shoulder and back at the same time, often radiating pain, then X-rays, CT and MRI of the cervical spine should be performed for early diagnosis and treatment; second, shoulder joint disease, when there is rotator cuff tear or frozen shoulder, there can be pain in the shoulder and back. Third, myofasciitis, when there is myofasciitis, there can be pain in the back and inner scapula, and it can be radiated to the ipsilateral shoulder, upper limb and neck, so it is necessary to conduct relevant examination and examination to exclude other diseases for diagnosis.