Kidney failure is divided into acute kidney failure and chronic kidney failure. Some patients with acute renal failure can be cured with timely treatment. Chronic renal failure patients can not be cured. Acute renal failure: it is divided into pre-renal, renal and post-renal. Pre-renal, such as insufficient effective circulating blood volume, may be cured after rehydration therapy. Post-renal, such as stones, may recover after timely removal of the obstruction. Renal ones, such as tubular necrosis, are difficult to recover from if the condition is severe. Chronic renal failure: generally cannot be cured. Treatment is mainly aimed at slowing down the progression of renal function and preventing the deterioration of renal function. Through integrated treatment, it can improve patients’ uncomfortable symptoms and slow down the progress of the disease. Patients with renal failure should go to the hospital in time for consultation, clarification of the cause and timely treatment under the guidance of professional physicians.