After lung replacement, you can usually live for about 5 to 10 years, if not longer. The exact time cannot be determined, it needs to be decided according to the patient’s type of disease and post-operative care and other factors. 1. Related to the type of disease of the patient: if the patient’s lung disease is more serious, even if the operation is successful, the extension of life will be shorter, about 5 years, if the lung disease is not very serious, the operation will be more successful, and the survival rate after the operation will also be improved, generally can live for about 10 years, or even longer. 2. Related to post-surgery care: If you take good care of yourself after successful surgery, such as improving diet, appropriate activities, paying attention to more rest, regular review, etc., it will be conducive to the recovery of your condition and prolong your life.