The method of neck exercise: The method is: cross your arms, slow down your breathing, slowly lower your head so that the chin as far as possible to meet the first collar button; then tilt your head, head as far back as possible; followed by left and right head tilt, earlobes as far as possible to reach the peak of the left and right shoulder; left and right neck turn, chin as far as possible to contact the peak of the shoulder. The above actions can be repeated 6 times according to the rhythm (silent count to 6). In addition, you can also do chest expansion, elbow rotation and shoulder patting exercises regularly, which are also beneficial. The method is: both arms are stretched out flat to the left and right, backward with force, chest up; then both elbow joints are flexed, fingers on the same side of the shoulder, with the elbow tip for the circle movement, forward and backward alternately; finally, the right palm taps the left shoulder, the left palm taps the right shoulder, alternately.