Leukocyte esterase positive results of routine leukorrhea test results, mainly due to bacterial vaginosis, because of the vaginal flora imbalance, resistance to decline, anaerobic infections, mainly manifested in the vaginal secretions have a great fishy smell, and the amount is more, yellow color, and occasionally cause vulvar itching. The main principle of treatment is to treat anaerobic infections, clinical application of metronidazole or tinidazole inserted into the vagina for treatment, continuous use of medication for a week, after stopping the drug 3-5 days after the routine examination of the leukorrhea can go to the hospital to find out whether the leukocyte esterase has been turned into a negative, and whether the clinical symptoms have all disappeared. It is recommended to pay attention to sexual life and menstrual hygiene in daily life, and do not abuse antibiotics.