At present, many young people, especially for more than ten hours of continuous computer games, chat, head down to play mobile games, texting and other symptoms caused by eye blurred, neck and shoulder pain, the incidence of cervical spondylosis in young people has increased rapidly. In fact, the muscles that maintain the stability of the cervical spine is mainly its deep multifidus and gyrus muscles, a large head turn such as rice exercises can not be well calcined to them, so we can also use the method of static isotonic contraction exercise, that is, to take a sitting or upright position, with both hands or one hand in the front and back of the four directions, respectively, against the forehead, the two temporal, back of the head, the neck force against it, but the head always remain The head remains in an upright position. Each direction lasts about 8 seconds and can be repeated 2-3 times. Swimming is the exercise of choice for effective prevention of cervical spondylosis, especially breaststroke. It can enhance the strength of the neck and lumbar muscles and improve the discomfort of the cervical and lumbar spine caused by long-term poor posture.