Haemophilus vaginalis infection, which is also known as anaerobic bacteria infection, mainly causes bacterial vaginosis, which will be manifested as increased secretion, yellow color, and the secretion will have a great fishy smell, clinically there are the following principles of treatment: first, change the pH of the vagina, this Haemophilus vaginalis prefers to grow in alkaline environments, it is recommended that the vagina can be rinsed with 1/5000 of potassium permanganate, so that the internal vaginal environment becomes acidic to inhibit the growth of this pathogenic bacteria will also alleviate the corresponding symptoms. It is recommended to douche the vagina with 1/5000 potassium permanganate to make the internal environment of the vagina become acidic and inhibit the growth of this pathogenic bacteria, which will also relieve the corresponding symptoms. Second, in the vagina can be plugged metronidazole suppositories, or tinidazole acid for treatment, continuous medication for a week, basically the symptoms will disappear, if the symptoms do not disappear, it is recommended to continue to use the medication for a period of 3 – days, or until the clinical symptoms have disappeared.