The patient always falls off the pillow, which may be related to poor sleeping posture, cold neck, cervical spine lesions and other factors. 1. Poor sleeping posture: when the patient sleeps in a poor posture, the head and neck position for a long time excessive deflection, or the use of the pillow is too high, too low, too hard, so that the head and neck are in the state of hyperextension or hyperflexion, which may result in excessive tension of one side of the neck muscles, and thus occurs the case of pillow fall. 2. Cold neck: when the patient’s neck is cold, resulting in spasm of the neck muscles, blood vessels, etc., it may produce neck muscle pain, stiffness, limited movement and other pillow symptoms. 3. Cervical spine lesions: when the patient suffers from cervical spondylosis, cervical disc herniation, cervical stenosis and other cervical spine diseases, may appear during the onset of the pillow. It is recommended that patients seek timely medical examination, actively cooperate with the doctor’s treatment, pay attention to rest in life, avoid strenuous exercise, if the long-term condition can not be relieved, should seek timely medical treatment.