mALB, or urinary microalbumin, has a normal value of less than 30mg/24h. The normal value of urinary microalbumin is less than 30mg/24h; microalbuminuria is 30~300mg/24h; albuminuria is more than 300mg/24h. Urine microalbumin measurement mainly reflects the early stage of kidney disease, kidney injury and other conditions. Pathological increase can be seen in diabetic nephropathy, hypertension, preeclampsia in pregnancy and so on. At the same time, urine microalbumin test can be used as an indicator of renal function for systemic or localized severe reactions, such as early renal lesions caused by urinary tract infections, etc.; predictive indicators of acute pancreatitis complications, etc. Patients who need to improve the urine microalbumin test are recommended to go to a regular hospital for consultation, and have the test results prescribed and evaluated by a professional doctor.