Positive hydrogen peroxide concentration refers to the presence of bacterial vaginitis, which is generally manifested by increased leucorrhea, yellowish odor, sometimes itching in the vulva, discordant intercourse and decreased quality of sexual life. This time, you need to actively give topical medication, such as the use of metronidazole, povidone-based suppositories to control the progress of the disease, the general course of treatment is about 1-2 weeks, after 1-2 weeks or so, you should promptly consult a doctor, improve the routine examination of the leucorrhea, if the concentration of hydrogen peroxide negative means that it has been cured, you can stop the drug. Wash your vulva with warm water every day and do not use special cleansers such as alkaline or acidic.