75-year-old heart failure lung failure can still live about 1-5 years, the specific survival time will vary according to individual changes in the condition, can not be generalized. 75-year-old heart failure accompanied by lung failure symptoms, for the continuation of the life of the body there is a greater test, because the human body with age, usually physiological function will appear different degrees of decline, organ function degenerative changes will also appear, easier to induce heart failure, lung failure and other organ failure. Usually in the case of timely treatment, proper treatment, 75-year-old heart failure, lung failure patients are expected to continue to survive for 1-5 years, if the degree of heart failure, lung failure is more serious or aggravation of the disease process development trend, life safety may also be threatened at any time. To summarize, to determine how long a 75-year-old heart failure or lung failure patient can live, the attending physician will usually take into account the patient’s condition, the development of the disease process, the timeliness and accuracy of treatment and other types of individual circumstances to give a rough judgment, and the prognosis of life expectancy is usually in the range of 1-5 years.