Panic disorder is an anxiety disorder mainly characterized by panic attacks, and is a subtype of neurosis. The main manifestations are 3 characteristics: 1, sudden nervous fear experience: within a few minutes to reach the peak, mainly manifested as panic, difficulty breathing, sweating, general weakness, or even as if they are about to die, or feel out of control mentally, about to go crazy feeling. Quickly call 120 or be sent to the hospital emergency department by a family member or friend, and do various physical examinations with no obvious abnormal findings. Or have low potassium, dynamic tachycardia, hypertension, etc., after treatment for improvement, still have panic attacks. 2, the first attack is often preceded by certain stimulating life events as triggering factors, such as excessive overtime physical fatigue, interpersonal tension, work and study stress, quarrels and anger, loss of love and unemployment, transferring schools, etc.. There is no fixed place for seizures, and some of them are awakened by seizures during sleep. 3. Most cases will have multiple seizures in a row. After the first seizure, the patient is continuously in a state of tension and fear, worrying about another seizure. This is followed by an excessive dependence on others and fear of being alone. Personal work, life, and education are all affected to some extent.