Urine occult blood 2 + but other values are normal usually refers to positive urine occult blood. Positive urinary occult blood may be physiological reasons, there may be pathological reasons such as urinary system diseases, common glomerular diseases, urinary stones, renal tumors, and non-urinary system diseases such as sepsis, epidemic hemorrhagic fever and so on. 1. Physiological causes: normal people who usually have less exercise may have exercise hematuria after suddenly increasing the amount of exercise, but this is only transient and does not need special treatment. 2. Pathologic causes: (1) Urological diseases: such as glomerular diseases, most of which are manifested by hematuria, proteinuria, hypertension and edema; in case of renal stones or ureteral stones, the friction of stones on the mucous membrane leads to mucous membrane hemorrhage and then hematuria; renal tumors also cause painless hematuria of the naked eye when invading the calyxes and pelvis of the kidneys. (2) Non-urinary diseases: sepsis, epidemic hemorrhagic fever, leukemia, aplastic anemia, etc. may also cause increased urinary erythrocytes and positive urinary occult blood. Positive urinary occult blood may also have other reasons, when the patient appears abnormal urine test, it is recommended to timely to the regular hospital, improve the examination to clarify the cause of the disease, under the guidance of the doctor to targeted treatment or treatment.