Protect the cervical spine pillow is divided into three kinds: first, travel in the car when the use of u-shaped pillow, this pillow is best to have a certain hardness and thickness, travel in the car, the use of u-shaped pillow can make the cervical spine in an upright and relaxed position, not to let the cervical spine to the left and right side bending too large an angle, the more suitable for their cervical pillow, the smaller the cervical scoliosis in use. It is best not to use too soft and too thin u-shaped pillow, will lose the role of cervical spine fixed protection. Second, cylindrical cervical pillow, in the usual rest or feel neck strain lying down, cushion in the neck pillow, will allow the cervical spine to restore the normal bending state, so that the muscles and ligaments around the cervical spine to get some rest and relaxation, but the height of this pillow must be appropriate, too high or too low so that the cervical spine is damaged. Third, the ordinary pillow with cervical spine shape, can be used in the usual sleep.