Renal hematuria can be caused by the following reasons: First, bacterial infections such as pyelonephritis, pyelonephritis can cause renal hematuria, accompanied by frequent urination, urinary urgency, urinary pain and other symptoms, its treatment is to give antibacterial, anti-inflammatory treatment, the treatment of the condition is generally able to cure. Second, stones such as ureteral stones, can cause renal hematuria, accompanied by low back pain, urinary frequency, urinary urgency, lower abdominal pain and other symptoms, urological ultrasound can be diagnosed, at this time can be given to the extracorporeal shockwave lithotripsy, traditional Chinese medicine stone removal and other treatments, after the treatment of blood in the urine after the discharge of the stone naturally cured. Third, glomerulonephritis such as IgA nephropathy, IgA nephropathy can cause renal blood in the urine, the cause of IgA as the main immune complexes deposited in the kidney and inflammation caused by symptoms in addition to blood in the urine, there are foamy urine, edema, fatigue, elevated blood pressure, etc., usually given hormones and immunosuppressants and other drugs to treat the condition can be cured by the treatment or be controlled.