Prevention of renal failure 1, actively treating chronic kidney diseases to eliminate the root cause of uremia: most chronic kidney diseases such as chronic glomerulonephritis and pyelonephritis, polycystic kidney, etc., will cause chronic renal failure and uremia if not actively treated; 2, appropriately restricting dietary proteins, especially small amount of vegetable proteins; 3, ideally controlling the blood pressure, and applying special medicines to reduce the intra-renal blood pressure effectively; 4, correcting Anemia, control diabetes mellitus, treat hyperlipidemia and hyperuricemia and gout; 5, avoid applying nephrotoxic drugs, the nephrotoxicity of some traditional Chinese medicines should be paid attention to; 6, preventing and controlling all kinds of infections; grasping the optimal timing of dialysis, dialysis should be begun when the endogenous creatinine clearance rate decreases to less than 10ml/minute.