Pillow is due to the pillow height is not appropriate, or poor sleep posture caused by, if the quality of sleep is better, the muscles around the neck, fascia and other soft tissues will be stretched for a long time, resulting in damage. There are also some pillow patients because of cold, wind, moisture and other environmental reasons stimulation, resulting in the soft tissue of the neck blood circulation is impaired, causing local spasmodic pain. If the recurrence of the pillow, there may be several reasons: First, the pillow height is not suitable, and did not adjust in time, resulting in recurrence of the pillow. Second, the habitual sleeping position on the neck muscles, fascia pulling force is relatively large, the neck relaxed at bedtime. Third, the bedroom environment is poor, cold and damp, there will also be recurring episodes of fallen pillow. Fourth, patients who usually suffer from cervical spondylosis and other neck diseases, there is already damage to the muscles and other soft tissues around the neck, plus other reasons acting at the same time, will also lead to recurring occurrences of the pillow.