Set in the neck pillow, should be called neck pillow or travel pillow, the role is to prevent the neck for a long time without rest and design, but also the prevention and treatment of cervical spondylosis, cervical disc protrusion. In the process of traveling by car or train, the neck muscles, ligaments are relatively hard to fix the head, a long time will make the neck muscles and other tissues fatigue, so the application of travel pillow, can relieve the fatigue of the neck state. When maintaining a standing posture, eyes forward, the head to maintain the middle position, the line of sight and the ground parallel, the cervical spine is positive arch, when removed from the pillow lying flat, the neck can not be attached to the bed surface, when the neck is relatively relaxed. However, patients with cervical spondylosis or cervical disc herniation, is afraid to remove the pillow lying flat, because the space behind the neck, will aggravate the symptoms of neck disease compression, so the need to use the neck pillow under the neck to support the neck, to relieve the symptoms generated by the disease.