The danger of urine test occult blood 1 + depends mainly on the cause of urinary occult blood. If it is caused by physiological reasons such as strenuous exercise, there is usually no obvious harm; if it is caused by pathological reasons such as glomerulonephritis, urinary tract infections, urinary stones, urinary tract tumors, rhabdomyolysis, etc., it may cause a series of hazards to the body. 1. Physiological reasons: normal people who usually exercise less, after suddenly increasing the amount of exercise may lead to urinary occult blood 1 +, can turn negative after rest, usually no obvious harm. 2. Pathologic causes: (1) Glomerulonephritis: it can be manifested as hematuria, proteinuria, hypertension and edema. If the condition continues to be unrelieved, some patients may develop renal insufficiency as the condition progresses, and develop uremia in the late stage. (2) Urinary stones: the stone rubs the mucous membrane and causes bleeding, which may appear as urinary occult blood 1+. It can be treated by drugs or shock wave lithotripsy. If the treatment is effective, urinary occult blood 1+ is relieved, and there may be no obvious harm. (3) urinary tract infection: common cystitis, pyelonephritis, etc., inflammation stimulation of bladder mucous membrane erosion bleeding, causing urinary occult blood 1 +. You can take levofloxacin, cefuroxime and other anti-infection treatment. Most of them can be cured, and the harm is relatively small. (4) Urological tumor: urinary occult blood caused by urinary tumor requires surgical treatment. It is more harmful to human body and can be life-threatening in serious cases. All of the above medications need to be used in accordance with medical advice. Urinary occult blood 1+ may also have other causes, such as rhabdomyolysis. It is recommended to go to the hospital in time, after clarifying the cause of the disease, under the guidance of the doctor to give targeted treatment or treatment.