Urine microalbumin 300mg/L, if seen in strenuous exercise, high protein diet and other physiological factors, usually do not need special treatment, usually after the removal of triggers can be recovered on their own; such as hypertensive nephropathy, diabetic nephropathy, acute and chronic glomerulonephritis and other pathologic factors, can be under the guidance of the doctor to take medication (such as captopril, etc.) for treatment. 1. Physiological factors: urine microalbumin 300mg/L, such as strenuous exercise, high protein diet, long time standing and other physiological factors, usually no special treatment, usually in the removal of triggers can be recovered on their own, and regular review can be. 2. Pathological factors: If it is found in hypertensive nephropathy, diabetic nephropathy, acute and chronic glomerulonephritis, lupus nephritis, IgA nephropathy, nephrotic syndrome, etc., it can be treated by taking angiotensin-converting enzyme inhibitors such as captopril, angiotensin II receptor antagonists such as valsartan and sodium-glucose cotransporter 2 inhibitors such as dalteparin as per the prescription of the doctor. If the urine microalbumin is found to be elevated, it is recommended that the patient go to the hospital in a timely manner, after a clear diagnosis of standardized treatment in accordance with medical advice, so as not to delay the condition.