Avoid pillow need to pay attention to sleep pillow height is appropriate, do not too high, do not too low; days of cold pay attention to neck warmth, avoid neck cold; avoid neck sprain. 1. Avoid poor posture: sleep pillow is too high or too low, lying posture and other factors, so that one side of the sternocleidomastoid, trapezius and scapular muscles in a long time in too much stretching state, so that the pillow. In this case, pay attention to the appropriate height of the sleep pillow, not too high, not too low. 2. Avoid neck cold: sleep without paying attention to neck warmth, making the neck cold, resulting in acute inflammatory reaction of the local myofascial tissue, cervical muscle spasm, manifesting the symptoms of pillow fall. In this case, we should pay attention to keep the environment warm during sleep, especially the neck, especially in cold and wet weather. 3. Prevent neck sprains: when the neck is suddenly twisted or when carrying heavy objects on the shoulder, some of the muscles are pulled and spasm occurs, resulting in pillow fall. In this case, we should pay attention to the activities in a gradual manner, avoid sudden twisting of the neck. Once the fall of the pillow, remove the cause can not be relieved, we should go to the hospital in a timely manner.