The telephone is very popular with young people, many long-distance couples will choose to call to contact feelings, chatting with the telephone for hours every day, while enhancing feelings through the telephone, a little inattention will cause cervical spondylosis. The cell phone is the main modern communication tool, almost everyone has a cell phone in their hands, everywhere you can see the crowd calling. There are many postures for making phone calls, and bad phone posture without correction can easily cause cervical spondylosis, such as the posture of the neck and shoulder clamping the phone. In terms of physiological structure, the cervical lateral bend angle is not large, to clip the phone, the neck is a very difficult action, the neck bend than usual, the cervical spine side of the muscle passive pull, the other side of the muscle to be extremely contracted, fascia and ligaments are also contracted at the same time, the neck and shoulder clip phone, almost all the small joints of the cervical spine are in the maximum range of motion, long time to maintain this posture, so that the cervical spine is easy to If you don’t pay attention to maintaining the balance between muscles and soft tissues when making phone calls, it will lead to cervical spondylosis. In the office, it is often seen that some people, in order to improve efficiency, like to make phone calls with the neck bent sideways and the phone pinned to the neck and shoulders, so that they can make phone calls while not missing work. This posture for a long time will make the neck too fatigue, neck and shoulder muscles in a state of tension, coupled with the lack of activities in the neck and shoulder, the muscles do not relax, very easy to cause cervical spondylosis.