Urinalysis with occult blood plus or minus sign indicates the possibility of red blood cells in the urine. This condition indicates that bleeding in the urine is not serious. for any degree of hematuria, it should be given full attention and the possibility of urinary tract tumors must be ruled out. Ultrasound of the kidneys, ureters, and bladder is recommended to rule out bladder tumors. ultrasound can reveal the presence of stones. Urinalysis occult blood is suspicious, mainly is the possibility of urinary tract infection is the most likely. Drink more water, more urination, can effectively improve, if necessary, can take anti-inflammatory drugs, effectively improve the inflammatory exudate, to achieve normal urine test. It is recommended to have hematuria, must pay attention to exclude the possibility of tumor.