If a patient undergoes dialysis, it means that the patient has renal failure and is in the uremic phase. The following specific analysis, dialysis is divided into hemodialysis and peritoneal dialysis, which is a proprietary treatment for the uremic phase of renal failure. If the patient has uremia, then the application of drugs for treatment is less effective, and the toxins in the body can not be discharged out of the body, it is necessary to apply dialysis treatment, the application of dialysis treatment can replace the function of the kidneys, so that the excess water and toxins out of the body. Therefore, if a patient undergoes dialysis treatment, it means that the patient has kidney failure and has reached the stage of uremia. If a patient with uremia, the condition can be better controlled by regular dialysis.