Detected urinary occult blood 1 + usually suggests that may be hematuria, for the abnormal, divided into physiological and pathological two cases, physiological general removal of the causative agent can be returned to normal, pathological, including urinary stones, urinary tract infection, nephritis, etc., at this time need to be treated in a timely manner. 1. Physiological: strenuous exercise, or women’s menstrual period urine is contaminated, there may be hematuria, this situation is usually not serious, rest, menstruation review, usually return to normal. 2. Pathological: including urinary tract infection, urinary stones, nephritis, etc., this kind of situation is more serious, need timely treatment. Nephritis patients hematuria is characterized by the whole process, painless, non-coagulation; urinary tract infection so that the mucous membrane of the urinary tract inflammatory reaction, edema, bruising, destruction of small blood vessels, the emergence of occult blood; stones and other reasons lead to tissue destruction and erosion resulting in bleeding, the formation of hematuria. Urinary occult blood 1 + patients should go to the hospital in time, under the guidance of professional doctors to clarify the cause of the disease, timely treatment.