The normal indicators of kidney function, there are the following: 1, the results of urine routine is normal, there are no red blood cells, proteinuria, white blood cells and other components of this in the urine. 2, blood sampling to check the patient’s kidney function indicators are normal, including blood creatinine, urea nitrogen and other indicators are normal. 3, the indicators of kidney function is the endogenous creatinine clearance, the normal range in 80-120ml/min, if in this range indicates normal kidney function. 4, the Look at the urine microalbumin, urine microalbumin less than 30mg/L is a normal result. If it is greater than 30mg/L, it means that the patient has microproteinuria or large amount of proteinuria.5. Kidney function can look at the ultrasound, the examination suggests that the volume of both kidneys is normal in size.