Urinary occult blood 2 + represents the presence of more red blood cells in the urine, there are physiological and pathological causes. Physiological causes of hematuria can be restored after the removal of the cause of the disease, and pathological causes are generally not self-healing. 1. Physiological causes: more common in strenuous exercise, female menstruation, menstrual blood mixed into the urine, there will be a positive urinary occult blood, after rest can return to normal. 2. Pathological causes: can be seen in the urinary tract infection, urinary stones, glomerulonephritis, urinary tract tumors, etc., in addition to systemic coagulation dysfunction can also lead to occult blood in the urine, need to be guided by a doctor according to the cause of the targeted treatment, such as antibiotics (levofloxacin, etc.) and so on. At this time, the general will not be self-healing. It is recommended that patients with urinary occult blood 2 +, timely to the hospital, to clarify the cause of the disease, according to the cause under the guidance of the doctor to take reasonable treatment, so as to avoid aggravation of the condition.