The most common causes of blood in urine in girls are urinary tract infection and urinary tract stones. It is recommended to further check the blood routine, urine routine, ultrasound of the urinary tract, abdominal standing flat film and other tests to clarify the diagnosis. If the infection is caused by the general combination of frequent urination, urinary urgency, urinary pain, hematuria, lumbar pain, accompanied by chills and fever and other general discomfort, most of the antibiotic treatment can be relieved, such as stones caused by the general pain is more severe, the need for lithotripsy treatment, the control of inflammation hematuria does not disappear need to be further investigated for acute glomerulonephritis may be. Some children can have obvious hematuria, proteinuria, no obvious edema and electrolyte metabolic disorders, can go to the hospital to check whether there is redness and swelling of the pharynx, to rule out acute glomerulonephritis, to give renal protection, lowering urinary protein treatment.