Urine occult blood 3 + other are normal can be seen in physiological conditions, asymptomatic hematuria, urinary stones. 1. Physiological conditions, such as fever or strenuous exercise, there may be occult blood in the urine, mostly transient, not to be dealt with for the time being, pay attention to rest, review can be. 2. Asymptomatic hematuria, also known as occult glomerulonephritis, refers to the disease that only manifests itself as hematuria without other symptoms, usually found during physical examination, the patient needs to be regularly reviewed, and the serious condition needs timely treatment. 3. urinary stones, especially 0.5mm or less of small stones, irritation of the urethral mucosa, there may be occult blood in the urine, usually drink more water, moderate exercise, regular follow-up. Urine occult blood 3 + other normal, it is recommended to go to the nephrology department of the hospital, clear reasons for timely treatment as prescribed by the doctor.