Whether mild renal insufficiency can be cured or not is related to the type of disease that causes renal insufficiency, if it is caused by acute kidney injury, acute pyelonephritis, kidney stones and other diseases, it can be cured after active treatment, but some chronic diseases cannot be cured, such as primary chronic glomerulonephritis, chronic pyelonephritis, diabetic nephropathy, hypertensive nephropathy and so on. Mild renal insufficiency is usually judged by the glomerular filtration rate, which is generally regarded as the compensatory stage of renal insufficiency. Pre-renal or renal diseases may lead to the decrease of glomerular filtration rate. Mild renal insufficiency is common in the early stage of the disease, and with the development of the disease, it can develop into severe renal insufficiency. Whether it can be cured or not is related to the type of disease that causes renal insufficiency. If it is caused by acute kidney injury, acute pyelonephritis, kidney stone and other diseases, it can be cured after active treatment, but some chronic diseases can not be cured, for example, primary chronic glomerulonephritis, chronic pyelonephritis, diabetic nephropathy, hypertension nephropathy, etc. It is recommended that patients should go to the hospital in time for medical treatment. It is recommended that patients should consult the hospital in time to find out the cause and follow the doctor’s advice to avoid delaying the condition and causing adverse effects.