A positive bacterial vaginosis indicates a current bacterial vaginitis. This vaginitis is a specific type of vaginitis, mostly caused by anaerobic bacterial infection of the vagina, which may result in abnormal symptoms such as increased discharge, odor of discharge, and scratchy vaginal vulva. It is recommended to be treated under the guidance of a doctor. If you are not planning to have children in the near future and are not a virgin, you can use metronidazole suppositories in the vagina for one week. If you are a virgin, you may have to wash your vulva with Jelqing and take metronidazole tablets orally for one week. It is best not to have sex during the medication, to pay attention to the cleanliness of the vulva, daily change of endo, to wear cotton underwear, can not wear tight pants, also can not stay up late, more resistance, can not eat spicy, stimulating food, eat more fresh vegetables, fruits.