Kidney damage should be actively engaged in kidney preservation treatment, such as patients with recent acute kidney damage need to pay attention to rest, avoid exertion, light diet, and at the same time with the kidney preservation drugs, you can orally Bailing capsule, Jinshuibao, uremic acid clear granules, Haikun Renxie capsule and other drugs. If the patient has creatinine increase or creatinine acute increase, accompanied by oliguria, anuria and so on. It is recommended to go to the hospital for regular treatment to identify the cause of the disease. If it is pre-renal, blood volume can be supplemented; if it is renal, stop nephrotoxic drugs, and apply hormone therapy if necessary; if it is post-renal, it is recommended to review renal function again after relieving obstruction factors; if it is chronic renal impairment, it is recommended to actively carry out renal preservation therapy, and active renal replacement therapy is needed in the late stage, such as hemodialysis, hemofiltration, peritoneal dialysis, or renal transplantation.