The common causes of urinary occult blood 1+ include physiological causes such as during strenuous exercise, which is not serious at this time and generally does not require treatment; disease factors such as urinary tract infections, urinary stones, urinary tumors, glomerulonephritis, etc., which are more serious and need to be treated for specific causes. 1. Physiological factors: female physiological period or strenuous activities, there may be urine occult blood 1 +, this situation is not serious, generally do not need special treatment. Do a good job of personal hygiene and care, drink more water, urinate more to promote urinary tract cleaning, pay attention to rest, regular review can be. 2. Disease factors (1) urinary tract infection: when there is a urinary tract infection, usually more serious, need to follow the doctor’s advice to choose a sensitive antibiotic anti-infection treatment, such as ofloxacin, levofloxacin, etc.. Without timely treatment, the condition may develop into renal papillary necrosis, perinephric abscess and so on. (2) Urinary stones: when this disease develops, patients will have symptoms such as persistent colic pain in the lower back. Without timely and effective treatment, it can develop into hydronephrosis and renal insufficiency, so it is also more serious, and it is mainly treated by ultrasonic lithotripsy, mechanical stone extraction and other methods. (3) Urological tumors: malignant tumors are relatively serious, early onset should go to the urology department of the hospital, take surgical resection of lesions. (4) glomerulonephritis: can follow the doctor’s instructions to improve the renal puncture biopsy, for specific pathological types of treatment, in general, the disease is relatively serious. Urine occult blood 1 + may have other reasons, should be timely to the regular hospital to identify the cause, under the guidance of the doctor standardized treatment.