A positive urine test usually indicates the presence of a urinary tract pathology that causes abnormalities in the composition or character of the urine. A positive urine test is usually seen in the following situations: A routine urinalysis often suggests an increase in white blood cells in the urine, which may indicate a positive urine test. An abnormal increase in red blood cells in the urine may also indicate a positive urine test. In addition, the protein content of the urine, bilirubin and other indicators higher than normal, there will also be a positive urine test. Positive urine test often suggests the existence of some kind of urinary tract lesions, for the diagnosis of urinary tract diseases has an important reference significance, such as abnormal increase in urine leukocytes often suggests the existence of urinary tract inflammation, significantly higher protein in the urine often suggests the existence of renal lesions.