When there is tension, the main method of performing rapid relaxation is deep breathing relaxation training. The main step is to fix the attention on the breathing, its inhalation should be slow and maintain a calm state. When exhaling, the speed should also be slowed down, and the breathing should be stopped for 1-2 seconds, so to sum up, it is slow inhalation and slow exhalation, and the breathing should be stopped in between. In this process, the main principle is deep and slow breathing, the body of carbon dioxide to reach a certain concentration, carbon dioxide has a stimulation of brain nerves, play a role in relieving or anti-anxiety. In addition, the breathing exercise itself can also mobilize the muscles of the whole body, so that their own effective, brief relaxation training, can make the body’s various muscles to get effective relaxation, while playing a certain buffer effect on the brain, so as to further eliminate tension.