Pneumothorax generally can live for how long is mainly related to the primary disease that causes pneumothorax: caused by trauma and subpleural alveoli, etc. patients and normal life expectancy is the same as that of a normal person, chronic obstructive pulmonary disease for the first time the survival of pneumothorax in about 10 years, the survival of pneumothorax caused by malignant tumors is generally in the 2 years. 1. Pneumothorax caused by trauma and subpleural alveoli, etc. After treatment, patients’ cardiopulmonary and other functions are generally not significantly impaired, and life expectancy is the same as that of normal people. 2. Chronic obstructive pulmonary disease (COPD) can develop lung infection and pyothorax after the first occurrence of pneumothorax, further impairing cardiopulmonary function, and is prone to recurrence of pneumothorax, with a general survival period of about 10 years. 3. Pneumothorax caused by malignant tumors such as lung cancer, most of them are advanced tumors, and the survival period is generally within 2 years. It is recommended to go to the hospital for further counseling on how long a pneumothorax can generally live.