I. Symptom criteria for diagnosing panic disorder Intense fear or discomfort for a short period of time, with at least four of the following symptoms, which often appear suddenly 1, palpitations or rapid heart rate; 2, sweating; 3, trembling or shaking; 4, chest tightness, shortness of breath or choking sensation; 5, feeling of congestion in the throat; 6, nausea or abdominal discomfort; 7, chest pain or discomfort; 8, dizziness, lightheadedness, sense of loss of balance, lightheadedness or fainting; 9, dissociation of reality (sense of non-reality) or depersonalization (feeling detached from oneself); 10, fear of losing control or going crazy; 11, fear 12. abnormal sensations (such as numbness or pins and needles); 13. chills or hot flashes. Severe panic attack, the patient can be unusually fearful, some think it is a heart attack, the emergency call 120 to hospital rescue. After a seizure, often fear another seizure. Some panic disorder patients have avoidance behavior, such as afraid to be alone at home or on the street, travel, etc. Second, the treatment of panic disorder: psychotherapy is the main, early often need to be combined with drug therapy, drug therapy works quickly, but if the drug therapy alone, the disease is prone to recurrence. From my personal experience and the existing research literature, the efficacy of cognitive behavioral therapy is the most certain.