The treatment of aristolochic acid nephropathy is mainly based on the discontinuation of this drug and the application of detoxification as well as blood pressure control drugs. Aristolochic acid is a traditional Chinese medicine, which can lead to chronic interstitial nephritis if this drug is taken for a long time. The main manifestations of chronic interstitial nephritis are decreased urine specific gravity, increased nocturia, and positive urine sugar. For the treatment of this disease, once it is diagnosed as aristolochic acid nephropathy, firstly, this drug should be discontinued, followed by symptomatic treatment. If there is renal failure, creatinine and urea are significantly elevated, you can apply detoxifying drugs, such as urinary toxicity clearing pellets. If the patient has elevated blood pressure, and the elevated blood pressure may lead to the aggravation of renal function, this time you can apply antihypertensive drugs to control blood pressure, the more commonly used clinically are valsartan capsules and benazepril tablets, this drug can protect the kidney in addition to the effect of lowering blood pressure, so you can say two birds with one stone. If the kidney failure has been more serious, into the uremic phase, then it is necessary to give maintenance hemodialysis or kidney transplantation to treat.