Increased urine output due to hemodialysis for kidney failure may be due to the improvement of the condition as well as the use of diuretics. Increase in urine output due to hemodialysis in renal failure may mean the reduction of proteinuria, the alleviation of the condition, and the natural increase in urine output after the renal tubules are unblocked. So renal failure through active treatment, in the recovery period will appear urine volume increase indicates that kidney function is improving. Kidney failure hemodialysis leads to increase in urine output, if patients use diuretics may also increase in urine output, diuretics can make the water in the body to be excreted quickly, which leads to increase in urine output. Kidney failure hemodialysis leads to increased urine output, patients need to check the 24-hour urine protein quantification, blood sampling for kidney function to determine the patient’s condition change situation. If kidney failure patients have other uncomfortable symptoms, they should go to the hospital in time to confirm the diagnosis, and carry out standardized treatment under the guidance of doctors.