The indicators of routine urine examination for UTI are: first, the number of white blood cells, when a UTI occurs, only so that the white blood cells can go to the site of infection and engulf the bacteria. It will cause the number of leukocytes in the urine to rise, and this is when the urine test will show a positive result for leukocytes. The higher the number of leukocytes, the stronger the positive result will be, and a strong positive result will appear. Second, a positive result for leukocyte lipase. It is an indicator of infection. When a urinary tract infection occurs, a positive result for leukocyte esterase occurs as the number of leukocytes increases and is present only in the granulocyte classification of leukocytes, suggesting the presence of inflammation. Thirdly, elevated bacterial count, routine urine examination shows that if the bacterial count significantly exceeds the normal index, it indicates the presence of bacteria in the urinary tract, and combined with the patient’s symptoms, it can be determined that the presence of UTI.