The survival of polycystic kidney patients is mainly related to individual condition, age, and condition at the time of entering dialysis. Most patients experience a decline in kidney function around the age of 40-50, with an average life expectancy of about 60-70 years. Polycystic kidney is a congenital hereditary disease, which is autosomal dominant and has the same prevalence in men and women, but the disease is more severe in men. Patients in the age of 40-50 years old can appear renal function decline, creatinine urea gradually increase, and finally progress to the uremic phase, need hemodialysis or peritoneal dialysis for renal replacement therapy, with the current level of dialysis in China, patients have about 20 years of dialysis life, the specific survival period varies from person to person, can not be generalized. Patients with polycystic kidney need to avoid staying up late, overworking and drinking less coffee. Avoid the use of aminoglycoside antibiotics and antipyretic and analgesic drugs. If the kidney function is damaged, you can take Chinese medicine to protect the kidney function.