Negative vaginal hydrogen peroxide is a normal test result, if the hydrogen peroxide is positive, it means that there is bacterial vaginosis, often due to the dysfunction of the flora in the vagina, you can use lactobacillus vaginal capsule under the guidance of the doctor, which will help to restore the normal flora in the vagina. Treatment for a period of time can re-visit the doctor for a test, if the negative is restored, it is OK. The dysbiosis in the vagina is related to excessive vaginal douching, and the body suffers from other systemic diseases, the use of broad-spectrum antibiotics for a long time is also related. Therefore, you should pay attention to minimize the use of broad-spectrum antibiotics for a long time, and do not casually do vaginal douching, which has a positive significance on the prevention of vaginal flora dysbiosis.