It means that there is an anaerobic infection in the vagina, mainly Gardnerella infection, so it will cause a series of symptoms, such as an increase in leucorrhea, which is relatively thin and yellowish in color, and will cause a local burning sensation in the vulva, and this leucorrhea will have a big fishy odor, which is the clinical symptoms caused by the clue cell infection. It is recommended that patients be treated with metronidazole or tinidazole, and most patients will have their symptoms relieved after a week of continuous medication, and it is also recommended that local cleanliness of the vulva be maintained and local care of the vulva be strengthened in daily life. When having sex, if the male partner is circumcised, the foreskin must be turned up before sex to clean the foreskin scale before having sex, which will also reduce the possibility of reproductive tract infection.