Symptom characteristics] 1, no obvious relationship between erratic and eating or not; 2, exclude the symptoms of stomach and epigastric pain, diarrhea and constipation; 3, X-ray plain film shows: cervical vertebrae physiological curvature straightening, cervical vertebrae anterior edge of the bony lip-like hyperplasia, cervical 4 to 5 intervertebral joint hyperplasia. It is an important branch of the cervical plexus nerve (located in front of the cervical vertebrae 4-5), which enters from the upper thoracic opening, descends through the lung roots on both sides of the pericardium, and is distributed in the diaphragm. 2, any factor that stimulates or compresses the phrenic nerve may cause diaphragm spasm, and cervical spondylosis is one of the factors that can stimulate or compress the phrenic nerve, so cervical spondylosis can also cause eruption.