Urinalysis erythrocytes 4-6/HP is not normal. Normal human urine test erythrocytes less than 3 / HP, when the urine test erythrocytes greater than or equal to 3 / HP for microscopic hematuria. Hematuria is divided into glomerular hematuria and non-glomerular. When the urine red blood cells are deformed red blood cells, glomerulonephritis can be considered, and it is necessary to improve the urine protein quantification, renal function and other tests, and if necessary, it is necessary to improve the renal puncture biopsy to clarify the condition. If the urine erythrocytes are normal red blood cells, it may be caused by strenuous exercise, fever, female menstrual blood contamination, urinary tract infections, etc. Combined with the patient’s symptoms and signs, improve the relevant laboratory tests, identify the cause of the disease, symptomatic treatment. When the discovery of urine red blood cells should be taken seriously, timely regular hospital consultation, symptomatic treatment, follow the doctor’s instructions to use or stop the drug.