The reason for this is that it is a very common cause of urine occult blood. 1, the more common causes of urine occult blood are stones and cysts, both of which are not very harmful to the body. stones can be discharged through stone crushing, or by strengthening exercise and drinking more water, and there is basically no harm to the body after discharge. 2, the common causes of urine occult blood (++) are occult glomerulonephritis and IgA nephropathy. The two common causes of urinary occult blood (++) are occult glomerulonephritis and IgA nephropathy, which are in the stable stage and can be recommended for dynamic observation. rule out tumor conditions. You can also do urine exfoliation cytology examination, mainly to exclude tumors, because tumors are very harmful to the body.