First, operant conditioning techniques, which emphasize the idea that an individual’s behavioral response is an acquired experience that can be positively or negatively reinforced to retain the good behavior or subdue the bad behavior. Second, systematic desensitization therapy, the main principle of this therapy is to let the visitor imagine or actually face the scene that causes anxiety, through relaxation techniques to gradually allow the patient to adapt to the anxiety, so as to achieve the effect of reducing anxiety, after which the patient will maintain a gradual emotional stability in the face of this anxiety. Thirdly, full-circle therapy, also called shock therapy, is a kind of exposure therapy, that is, the patient is continuously exposed to scenes that can make him feel fearful or anxious, in the process is not allowed to take any anxiety-relieving behavior, and gradually let the anxiety diminish on its own.