No pillow has no benefits, only disadvantages, no pillow will lead to the physiological curvature of the neck is not maintained and guaranteed, after a long time will pull the neck muscles, causing significant stiffness, pain. The neck muscles, scalp cap tendon muscles, and even bilateral shoulder and back muscles, are prone to chronic myofasciitis, and patients often feel a sense of a drop pillow or cervical spine sprain. But patients with cervical spondylosis may mistakenly think that pillows are not good, not pillows can help maintain the physiological curvature of the cervical spine, this view is wrong. Maintain the physiological curvature need to use special cervical pillow, ordinary pillow in normal use, but also try to use soft and moderate height of the pillow, not too high. Cervical pillows exist S-shaped physiological curvature, the neck cushion high, the back of the pillow sunken, to help maintain the normal physiological curvature.