Severe obstructive ventilatory dysfunction is also called obstructive lung disease, also known as slow obstructive lung, emphysema, mostly due to chronic bronchitis and prolonged air pollution and other reasons induced, patients with ventilatory dysfunction will lead to airway narrowing, thorax increase and barrel chest, prolonged hypoxemia back to induce pestle finger and lip cyanosis and other related manifestations, more is reflected in breathing difficulties, cough, cough and other symptoms The symptoms are more likely to include dyspnea, cough and sputum. In the acute stage, severe infection and fever should be treated symptomatically with sensitive antibiotics, and hormones, bronchodilators and phlegmolytics should be applied appropriately for comprehensive treatment. The disease can not be cured, but only improved, and the daily life and diet should be properly adjusted.