Trace proteinuria is not serious. Normally, there is usually no proteinuria in the urine. When there is a combination of pyelonephritis or stones or glomerulonephritis, tubulonephritis and diabetes mellitus leading to diabetic nephropathy, there may be trace proteinuria. It is recommended to pay enough attention to the occurrence of micro-proteinuria, and should find out the cause, what causes micro-proteinuria. It is recommended to do 24HUP measurement to observe the amount of micro-proteinuria. It is recommended to pay attention to diet control, should drink more water, more urination, reduce the leakage of proteinuria, to avoid further aggravation of proteinuria. Find out the cause of proteinuria and treat it actively to prevent further aggravation.