Leukocytes are a type of inflammatory cell, and in the case of leukocytes + on a routine test of the leukorrhea, it may be a vaginal inflammation. If it is leukocytes + in the routine examination of urine, it may be a urinary tract infection. Under normal circumstances, white blood cells in the routine examination of leukorrhea generally can not be detected, if the appearance of leukocytes +, suggesting that there are a small number of white blood cells in the leukorrhea, there may be mild vaginitis, cervicitis, or vaginal cleanliness is not good due to. If leukocytes + is seen in routine urine examination, the common cause of increased leukocytes in urine is urinary tract inflammation, i.e. bacterial infection leading to inflammation of the urethra or bladder, or even pyelonephritis and other serious inflammation of the urinary system. When leukocytes + appear, it is recommended to consult a doctor in time, follow the doctor’s instructions for further examination, clarify the cause with the help of the doctor, and carry out targeted treatment.