In the leukorrhea test, sometimes you will see BV positive, which means that there is BV infection, BV infection is in the vagina due to dysbiosis caused by anaerobic bacteria infection, that is to say, there is Gardnerella infection, manifested by increased vaginal discharge, and there is a big fishy smell, which is the manifestation of BV infection. For this situation, clinical treatment is mainly with the treatment of anaerobic bacteria metronidazole or tinidazole, continuous vaginal plugging for a week, this clinical symptom will disappear. In addition, it is recommended to pay attention to the hygiene of sexual life and menstruation in daily life, and change sanitary napkins diligently during menstruation. If the sexual partner is circumcised, it is recommended to turn up the foreskin before sex to clean the foreskin scale inside, so as to avoid the possibility of BV infection to some extent.