Whether or not 5.28 erythrocytes/ul is normal depends mainly on the cause of the erythrocytes in the urine. If it is caused by physiological reasons such as strenuous exercise, or improper retention of urine, it is usually normal and does not require special treatment; if it is caused by pathologic reasons such as glomerulonephritis, urinary tract infections, stones and so on, this situation may not be normal and requires further treatment. Urine routine quantitative examination of red blood cells in the normal range of 0 ~ 5 / ul, so urine routine red blood cells 5.28 / ul, indicating that the red blood cells in the urine is high. High erythrocytes in urine can be seen in two categories: physiological causes and pathologic causes. Physiological causes such as excessive mental stress, strenuous exercise, etc., or due to improper retention of urine, such as not correctly take the cleaner mid-stream urine, or women are in the menstrual period, may lead to the presence of red blood cells in the urine test, the above situation is normal, no special treatment. If the pathological reasons such as glomerulonephritis, urinary tract infection, stones, etc., the urine test may appear red blood cells. At this time is not normal, need to actively treat the primary disease, improve the symptoms. Red blood cells in the urine may also have other reasons, it is recommended that patients go to the regular hospital in time, improve the examination to clarify the cause of the disease, under the guidance of the doctor to give targeted treatment or treatment.