If you feel pain in your back when you lower your head, it is likely to be caused by cervical spondylosis, which is related to poor posture habits such as lowering your head for a long time. In this case, you can go to the orthopedic department of the hospital and have a CT examination of the neck to clarify the specific severity. For cervical spondylosis, generally light symptoms can do a little neck physiotherapy, acupuncture or traction treatment, you can also take oral treatment such as cervical rehab; usually pay attention to maintain good posture habits, but also pay attention to sleep at night when the pillow is not too high or too low, the height of about ten centimeters. If the symptoms are serious, minimally invasive surgery should be considered. In this case, you should also pay attention to the health care of the neck, for example, you can insist on doing neck health exercises every day, or insist on doing cobra movements.