How long the life expectancy of bladder cancer in seventy years old is related to the tumor staging and grading, the patient’s underlying disease status, and whether the treatment is timely and standardized or not, which generally cannot be accurately predicted. If the patient has fewer underlying diseases, better physical quality, and the bladder cancer is found early, the survival period can be longer through timely treatment. If the patient suffers from more underlying diseases, such as heart disease, high blood pressure, diabetes, etc., and has poor physical quality, and the bladder cancer is found in the middle or late stage, the life expectancy is generally shorter. It is recommended that patients should consult a doctor in time to properly assess their condition and choose a suitable treatment for themselves. Maintain healthy work and rest, take a light diet, relax your mind and avoid too much tension and anxiety.