When emphysema develops at the age of 30, most patients can reach a normal life span of about 40 or even 50 years if reasonable care is taken to maintain and carefully care for lung function. There are many reasons for the development of emphysema, which can be caused by underlying diseases such as chronic bronchitis and trypsin deficiency. Although emphysema is an irreversible chronic respiratory disease with expiratory dyspnea as its main manifestation, the lung function and heart function can be improved by keeping warm, avoiding cold, strengthening the body, and exercising properly. The respiratory function of the body can still reach the basic level of a healthy and normal person, in order to delay the development of respiratory failure.