Urine occult blood has a plus sign does not necessarily need to take medication, should further improve the examination to clarify the cause, may be physiological reasons, may also be caused by pathological reasons. 1. Physiological reasons: when there is fever, strenuous exercise or during the female physiological period, there can be a positive urinary occult blood performance, usually do not need special treatment. 2. Pathological causes: when there are urinary stones, nephritis and other diseases, there will be hematuria, which can be accompanied by low back pain, proteinuria, edema and other reasons, need to further improve the urinary ultrasound, renal function, renal puncture and other tests, stones can be used for stone pellets and other drugs or lithotripsy, surgical treatment, nephritis, kidney need to use renal drugs, such as huangqi capsule, Bailing capsule and so on. It is recommended that regular review to determine the cause of the disease can follow the doctor’s instructions to take medication, do not blindly use their own medication.