After he went home that night, he had chest tightness, palpitations, and numbness in his hands and feet, and was not found to have heart disease after the emergency 120 examination. He came to the psychological clinic hoping to get help. In fact, cases like Mr. Zhang’s are not uncommon. A large proportion of patients who visit the emergency room of internal medicine department with “heart attack” have no organic lesions, but are entirely due to the illusion of extreme emotional stress, which we call panic disorder in psychology. Data show that single occurrence of panic attacks is very common, at least 35% of people have experienced a panic attack without any adverse consequences thereafter, a few of them have recurrent attacks, symptoms of anxiety, avoidance of the scene in question, and even the development of panic disorder. It is recommended to those who have a situation similar to the above: panic disorder is a treatable disease, and new antidepressants can reduce the frequency and intensity of attacks, and with psychotherapy from a professional physician eventually achieve a cure. In addition, to list the symptoms that may occur in panic disorder, if there are four of them at the same time and the attack peaks within a few minutes and lasts no more than half an hour and then remits on its own, it is likely that you have panic disorder, please go to the psychological clinic for medical treatment in a timely manner. 1.Severe heartbeat, panic 2.Sweating 3.Shaking or shivering 4.Shortness of breath or difficulty in breathing 5.Sense of suffocation 6.Chest pain or tightness 7.Nausea or abdominal discomfort 8.Dizziness, unsteadiness or fainting 9.Feeling that the surrounding area is not real and isolated from the surrounding 10.Fear of losing control, going crazy or insanity 11.Fear of dying, feeling of near death 12.Feeling numb or tingling 13.Flushing or chills