How long does chronic renal failure generally take to reach stage five, mainly depends on the specific type of disease, the patient’s treatment and other aspects, should be a specific analysis of specific problems, not a generalization. Chronic renal failure stage V is the uremic phase, if the patient is found in the early stage of chronic renal failure, actively standardized treatment to control the disease, the prognosis is better, can delay the time to reach stage V, or even a lifetime will not progress to stage V. If patients with chronic renal failure are more serious, such as long-term proteinuria, hypertension, heart disease and other underlying diseases, the symptoms are not well controlled and the treatment effect is poor, they can progress to stage V between a few months and decades, the specific time varies from person to person. In addition, patients with chronic renal failure should pay attention to rest in daily life, avoid staying up late or overworking, prohibit smoking and keep a happy mood. At the same time, attention needs to be paid to avoid the occurrence of infections.