Urinalysis occult blood three plus signs indicate more urinary bleeding, it indicates that there is bleeding in the urinary system, and it should be taken seriously enough. Urinary bleeding, the first and most critical is to rule out urinary tract tumors, to do urine exfoliative cell examination and ultrasound of the kidneys, ureter, bladder, to rule out malignant tumors of the urinary tract, if not, ultrasound can also find out whether there are urinary tract stones. Urinalysis if there are red blood cells three plus sign, at the same time if there are white blood cells, may be the urinary tract infection caused by drinking more water, take anti-inflammatory drugs can soon be relieved. Urinary stones, urinary tuberculosis, trauma to the kidneys can also lead to occult blood three plus, must be examined and treated for the primary disease.