The back of the neck hurts when the head is tilted back, there are many reasons: First, because of the long time in daily life, low work, or long time low play cell phones and low look at the computer, long time to keep a movement does not move, resulting in poor local blood circulation, time will be fatigue of the neck muscles, it will cause pain. Second, mainly by the wind and cold stimulation or pillow triggering head back, so that the back of the neck is very painful, if a similar situation, should pay attention to daily warmth, sleep at night can be changed to a lower pillow to prevent the occurrence of the pillow again, if the situation is more serious, you can carry out local hot compresses, local physiotherapy and not massage to relieve symptoms. Third, may be the pain caused by cervical spondylosis, the back of the neck pain occurs, it is recommended that local hot compresses and local cupping, acupuncture, massage to relieve the symptoms of cervical spondylosis more serious should get enough attention. If the symptoms do not improve, go to the orthopedic department of a regular hospital in time to clarify which cause it is, and then give targeted treatment.