The first factor to be ruled out in the case of the old man’s neck tilting back is that the symptoms are caused by incorrect sleeping posture or catching a cold, etc. If this factor is ruled out, it is mainly due to the change of the curvature of the cervical vertebrae, which has caused the curvature to straighten or reverse curvature, and when tilting back, it will obviously lead to the overstress of the cervical vertebrae, which will lead to the development of habitual tilting back and cause the pain of the neck. The neck pain is caused by the habitual tilting back of the vertebrae. Also seen in the neck ligament, fascia, muscle strain, because the ligament, fascia, muscle strain, will lead to neck soft tissue spasm, contraction of the situation, thus the habitual backward tilt, squeeze the spasm of the ligaments, fascia, muscle, and also cause pain. There is also the cervical spine of the elderly part of the bone degeneration, osteophytes will cause the neck often tilted back, tilted back the neck will lead to hyperplasia of the bone spurs to stimulate the surrounding soft tissues, so there is a habitual backward tilt, and accompanied by obvious pain in the back of the neck.