Positive urine test paper occult blood usually indicates that there are red blood cells in the urine, which may be related to physical factors such as strenuous activities, overwork, or diseases such as nephritis and ureteral stones. 1. Physiological factors: If there is recent strenuous activity, overwork or female menstruation, etc., the urine test paper may appear occult blood positive phenomenon. This is a normal phenomenon, usually no treatment, can gradually return to normal, pay attention to the regular review. 2. Nephritis: mainly seen in primary glomerular disease, but also seen in secondary nephritis such as diabetic nephropathy, hypertensive nephropathy or hereditary nephropathy such as polycystic kidney, etc., the urine test can be seen occult blood positive. Simple urinary occult blood can be without treatment, clinically not to eliminate urinary occult blood for the purpose of treatment, if necessary, improve the quantitative urine protein, renal puncture and other tests to clarify the disease, and comply with the doctor’s instructions for the use of drugs. 3. Ureteral stones: urine test paper can be found in occult blood positive phenomenon, often manifested by increased blood pressure, nausea, lumbago, urinary difficulties. It is recommended to use α-blockers such as tamsulosin and doxazosin as prescribed by the doctor, and give oral stone dissolving drugs such as sodium bicarbonate and sodium potassium citrate for pure uric acid stones. Extracorporeal shock wave lithotripsy can also be chosen for treatment. Urine test occult blood positive causes are many, it is recommended that the patient regular hospitals, with the doctor to improve the examination, clear cause of the treatment as prescribed by the doctor.