A + sign for epithelial cells on urinalysis generally refers to the presence of epithelial cells found on urinalysis. It may be caused by physiological factors such as vaginal epithelial cells shed by women mixed into the urine, or it may be caused by pathologic factors such as pyelonephritis, urethritis, renal tubular lesions and other diseases. In normal urine, a small number of epithelial cells are usually seen. If the epithelial cells are caused by physiological factors, such as vaginal epithelial cells shed by women or holding urine, etc., and there are no other abnormalities, usually no special treatment is needed. If pathological factors such as pyelonephritis, urethritis, renal tubular lesions and other diseases lead to urinalysis epithelial cells a +, at the same time may appear in the urine test white blood cells, red blood cells and other values are elevated, combined with the renal function and other related indicators, according to the cause of the disease, targeted treatment. If the patient’s urine test found epithelial cells 1 +, it is recommended to go to the regular hospital in a timely manner, improve the examination to clarify the cause of the disease, under the guidance of the doctor to give targeted treatment or treatment.