The main purpose of lung reduction surgery is to improve the ventilation function of the lungs and alleviate the decline of lung function. The general cost is about 10-20 thousand dollars, and it may be increased by about 10 thousand dollars depending on the condition and the follow-up treatment. Lung decompression surgery is mainly suitable for: has been clearly diagnosed as end-stage emphysema; there is no serious heart, liver, kidney and other organs lesions; internal medicine repeatedly treatment is ineffective in the progressive aggravation of respiratory distress; need to quit smoking for at least three months. Contraindications: for people over 75 years of age; severe diffuse emphysema with no visible target area after nuclear scanning; severe pulmonary hypertension; high-dose adrenergic steroid hormone dependence; severe bronchitis, asthma, bronchodilatation, all of which are prohibited from surgery.