Symptoms of cervical spine straightening mainly include neck pain, limited cervical spine movement, and incomplete cerebral blood supply. 1. Neck pain: If the cervical spine is straightened, the patient will have neck pain, which is mainly manifested as swelling and soreness, and some patients will also have soreness and discomfort in the shoulders, back and scapula. 2. Restriction of cervical spine activities: When the physiological curvature of the cervical spine is straightened, the patient’s neck muscles will continue to be in a state of tension and spasm, which will lead to restriction of cervical spine flexion and extension activities and rotation activities. If the nerves are compressed or stimulated, the patient may experience numbness and weakness of the limbs. 3. Inadequate blood supply to the brain: When the physiological curvature of the cervical spine is straightened, the direction of the vertebral artery usually changes significantly, which may cause the patient’s cerebral blood supply to be incomplete, resulting in dizziness, tightness in the chest, panic, nausea and other symptoms. Cervical spine physiological curvature straightening may also appear some other symptoms, it is recommended that patients must go to the hospital in time for diagnosis and treatment, so as to avoid aggravation of the symptoms, leading to more serious consequences.