Urinary occult blood 1+ needs to clarify the cause of the disease and be treated for the cause. The common causes are glomerulonephritis, pyelonephritis, urinary tract stones, urinary tract tumors and so on. 1. Glomerulonephritis: Bacteria, viruses, immune disorders and other factors can lead to localized immune complex deposition in the glomerulus, resulting in glomerular injury and filtration disorders, which can cause urinary occult blood 1+. Glucocorticoid such as methylprednisolone, prednisone, etc., immunosuppressant such as tacrolimus, cyclophosphamide, etc. need to be applied for treatment. 2. Pyelonephritis: retrograde infection of bacteria and other pathogens through the urethra causes inflammatory reaction in the renal pelvis, capillary permeability increases, red blood cells leak out into the urinary tract, which can lead to urinary occult blood 1+. Levofloxacin, cefuroxime, amoxicillin and other antibacterial drugs can be applied. 3. Urinary stones: ureteral stones, bladder stones and other friction stimulation of the urinary tract mucosa, resulting in mucosal rupture and bleeding, can lead to urinary occult blood 1 +. It needs to be treated by drinking a lot of water, ultrasonic lithotripsy, surgical stone removal and so on. 4. Urinary tract tumor: the proliferation of cancer cells of malignant tumor in urinary tract leads to the destruction of normal tissues, in addition, the cancer tissues will also bleed and cause urinary occult blood 1+. It needs to be treated by surgery with radiotherapy and chemotherapy. All the above medications should be used under the guidance of doctor, avoid self-medication. Urine occult blood 1+ may also have other causes, so it is suggested that patients should go to regular hospitals in time, improve the examination to clarify the cause of the disease, and then give targeted treatment or therapy under the guidance of doctors.