Shock therapy is a kind of exposure therapy. Exposure therapy is the patient’s horror reaction of a thing or a stimulus in front of its re-presentation, violent stimulation, so that the patient’s horror reaction to this thing or stimulus gradually subside. In order for the patient to receive faster results, you can expose something or a stimulus all day long in front of the patient, due to continuous fierce stimulation, so that the terror reaction in the short term by the high tension and gradually subside, so that the disease in the short term, this is shock therapy, also known as full tank therapy or emotional repulsion therapy. Meaning that due to continuous exposure to stimuli, so that the terror is highly tense, over the Zhang is full, full and overflowing, so that the terror quickly recede. Of course, shock therapy is fast and effective, but not all patients are willing to accept this therapy. Because in the process of treatment, the patient will experience a lot of mental tension and pain, sometimes it will be difficult to persist and give up treatment, so before the start of treatment must do a good job of explaining, and in the patient’s mental tension and pain, teach him how to relax, so that the elimination of tension, so that the shock therapy to receive good results.