Urine occult blood (++++) to do urine occult blood test, to clarify the urine occult blood within the red blood cells in the end is uniform or non-uniform, non-uniform red blood cell urine suggests kidney disease problems. In the clinic is more common is glomerulonephritis this kind of. Uniform red blood cell urine suggests non-kidney problems, commonly urinary stones, urinary tract infections or tumors and other aspects of the problem will lead to urinary occult blood. Commonly, such as urinary tract infection patients in addition to urine occult blood, urine routine examination will be combined with urine leukocytes, relatively easy to distinguish.