Entry into the workforce is restricted when protein is checked in the urine, especially in large amounts, and qualitative tests (++++) or more. Urine examination includes the pH and specific gravity of the urine, the amount of white blood cells, red blood cells, and protein in the urine, qualitative examination, and also nitrites, bacterial count, and mucous epithelial cells. Elevated protein in the urine is mainly seen in primary or secondary glomerulonephritis, and nephrotic syndrome will occur when a large amount of proteinuria is present, with clinical manifestations of hypertension, edema, hypoproteinemia, hyperlipidemia, etc., which will be restricted in certain occupations.