Bad cervical spine may cause pain in the cervical spine, numbness or pain in the upper limbs, dizziness, nausea and vomiting, chest tightness and shortness of breath. 1. Cervical pain:Bad cervical spine may cause neck pain and inflexibility due to muscle strain and injury. 2. Numbness or pain in the upper limbs:Bad cervical spine may cause numbness or pain in the upper limbs, which is a symptom due to herniated lumbar discs or bony stenosis compressing the nerves. 3. Vertigo, nausea, vomiting: Bony compression may occur, resulting in insufficient blood supply to the brain and vertigo. Vertigo can be severe and can lead to vomiting and nausea. 4. Chest tightness, shortness of breath:If there is sympathetic cervical spondylosis. Stimulation of the sympathetic nerves, there may be dizziness, nausea, fatigue, vomiting, chest tightness, panic and sweating as well as abdominal pain, diarrhea and a series of symptoms. If there are symptoms should go to the hospital in time, under the guidance of the doctor standardized treatment.