1. the head and neck pathology cause long-term position in a single location, in bed watching TV, reading, high pillow, sleeping sitting, head and neck trauma, these are prone to a number of cases of cervical spondylosis, cervical disease, also known as cervical syndrome, mainly due to the long-term cervical strain, osteoarthritis, or herniated disc, ligament thickening, resulting in the cervical spinal cord, nerve root or vertebral artery compression, resulting in a series of functional disorder symptoms. 2. Signs and symptoms stiff neck, stiff, pain, limited mobility of the neck, shoulder and back heavy, muscles stiffen; upper limb weakness, numbness of the fingers, limbs skin hypoesthesia, hand grip material sometimes unconsciously fall these are Some common symptoms of cervical disease, in addition to some of these patients will not listen to the command of the lower extremities, lower extremities, such as abnormal soft feel; there will be a few severe cases urine out of control, and even paralysis of limbs. 3. The potential harm people think of cervical disease is a minor illness, do not pay attention, in fact, if left unchecked, the consequences are serious, specific harm is done to cervical disc degeneration itself and its secondary series of pathological changes, such as loss of vertebrae stable, loose; ligament hypertrophy and secondary spinal stenosis, irritation or compression of the adjacent nerve roots, spinal cord, vertebral artery and cervical sympathetic nerve and other tissues, and cause a variety of symptoms and signs of syndrome. 4. ill people from the professional speaking computer operations personnel, accounting, operating room nurses, traffic police, drivers, typists, embroidery workers who long to watch the microscope, painters, electricians, lettering work, such as a car or machinery repairman is cervical spondylosis The high-risk population; the habit of speaking like high lying stiff neck pillow has a history of repeated susceptible to cervical spondylosis.