Sodium bicarbonate tablets, also known as baking soda, is a white crystal, dissolved in water presents a weak alkaline, because the female vagina belongs to the acidic environment, the bacteria are very easy in this environment, breeding and growth and reproduction. Clinical gynecology often use sodium bicarbonate tablets dissolved in water, used for vaginal douching, in order to achieve the purpose of inhibiting the growth of bacteria, the most commonly used in the treatment of disease is mycosis vaginalis. Specific use of the method, the sodium bicarbonate tablets 1-2 tablets into about 500 ml of warm water after fully dissolved, douche vagina, preferably choose to go to bed, once a day, continuous use for a week, and then review. If the vaginitis improves, then it is recommended to stop using it, to avoid long-term, large amounts of use, resulting in an imbalance of the acid-base balance of the vagina, inducing other gynecological diseases, it is recommended to use it correctly under the guidance of a doctor, and avoid using it directly on the local area.