Patients with polycystic kidney usually live to be about 60 years old. Polycystic kidney is a congenital hereditary disease, which is autosomal dominant, so if one parent has polycystic kidney, the chance of the child having the disease is 1/4. When you have polycystic kidney, the kidney cysts will start to appear in your youth, and will gradually increase, and eventually the kidney cysts will fill up the whole kidney, thus destroying the structure of the kidney, and the creatinine and urea will rise. between 40 and 50 years old. The process is often irreversible, the creatinine is getting higher and higher, and eventually it will enter the uremic phase, and then it needs kidney replacement therapy, which is hemodialysis or peritoneal dialysis treatment. Because the kidney of polycystic kidney grows very big, so often the effect of peritoneal dialysis is not good, most of them choose hemodialysis treatment. According to the current dialysis level and treatment status in China, the average survival period after entering into dialysis is about 15-20 years, so generally patients with polycystic kidney can live to about 60 years old, but the specific differences with individual differences have some relationship. In general, patients with polycystic kidney can live to be about 60 years old, depending on individual differences. In general, pay attention to avoid spicy and stimulating food, do not eat too salty, do not drink coffee and alcohol to prevent the cyst from growing too fast.