How long you can live with pneumonia cannot be generalized. It needs to be judged according to the severity of the disease, the timing of treatment, physical condition, etc. It may not affect the expected life expectancy, but it may be life-threatening in severe cases. Pneumonia is a relatively common disease of the respiratory system, and is considered to be caused by low immunity of the body, which leads to infection by mycoplasma, viruses, bacteria, parasites and other factors. Most patients with pneumonia who do not have other complications can be effectively controlled after active treatment, which usually does not affect the patient’s normal life expectancy. However, if a patient with pneumonia is more serious, or even develops complications such as septic shock and respiratory failure, the patient’s normal life expectancy may be jeopardized if the condition is more serious. However, if the prognosis is better, the survival time ranges from several weeks to several decades. The specific survival time is related to the timing of treatment, the patient’s physical fitness, and the specific condition. Once a patient is diagnosed with pneumonia, he or she should go to a regular hospital in a timely manner and be treated in an active and standardized manner.