Urine routine examination, if the number of epithelial cells is increased, there are several possible causes: First, the normal epithelial shedding increases, resulting in a transient increase in epithelium, without any clinical significance, and the patient will not have any self-conscious symptoms. This situation is only manifested as an increase in the number of epithelial cells in the urine, but not accompanied by other items of abnormalities, it is recommended to regularly review, or appropriate more water, dynamic observation can be, without any treatment. Second, the urinary tract infection, when there is a urinary tract infection, can cause the epithelial shedding of the urinary tract increased, this situation, in addition to the epithelial increase, but also accompanied by an increase in the number of white blood cells or bacteria. Patients will have symptoms of discomfort in urination and need anti-infection treatment. After the inflammation is cured, the epithelial shedding will be reduced and will return to normal. Thirdly, the presence of stones and tumors in the urinary system can lead to increased local mucosal epithelial shedding, which is also a condition of the disease, and patients may have symptoms of back pain or abdominal pain, which can be accompanied by the manifestation of hematuria in the naked eye, requiring further lithotripsy or surgery.