Urine test is usually referred to as routine urine examination, routine urine examination in the clinical application is very common, through the routine urine examination of urine composition, traits and pH, etc., can be comprehensively analyzed, for urological diseases has a very good significance of guidance. Routine urine examination can usually be found in the urine of red blood cells, white blood cells, urine protein and other components are normal, through the analysis of these components, can make the judgment of urinary system diseases, such as routine urine suggests that the increase of white blood cells in the urine, often suggests the presence of urinary tract infections; if the red blood cells increase, often suggests that there is hematuria, to be considered as a cause of hematuria of the urinary system diseases; if the protein in the urine abnormally high, need to consider renal lesions. Need to consider renal lesions. In addition, according to the specific gravity of urine, urine pH, the presumption of urinary system diseases.