Hyperventilation syndrome is mainly due to hyperventilation, which may cause a series of syndromes of respiratory alkalosis, commonly seen in hysteria. Above treatment: 1. Generally, we should communicate with the patient to reduce his or her mental burden, eliminate his or her anxiety, tension and fear, and keep his or her mind stable; 2. If necessary, we can give drugs to regulate the function of plant nerves and sedation, such as B-complex vitamins, glutamate and valium; 3. To enable the patient to master the correct breathing method, he or she can do abdominal breathing, slow inhalation and exhalation, and Slow down the respiratory rate to reduce the degree of hyperventilation; 4. In acute attacks, you can choose to use a mask or plastic bag to cover the patient’s mouth and nose, repeat breathing, so that the body properly inhale more carbon dioxide to reduce the symptoms, the general prognosis of early treatment are very good.