Sodium bicarbonate solution external washing can play a change in pH value, as well as cleaning, inhibit mold and other effects, mostly used in gynecological diseases adjuvant therapy. 1. Change pH value: sodium bicarbonate solution is an alkaline solution, cleaning local can change the local pH value, alkalizing the local environment. 2. Clean, inhibit mold: can achieve clean local skin mucosa, change the pH, so as to inhibit the growth of Candida, to achieve the purpose of auxiliary treatment, clinically used to wash the vulva, can assist in the treatment of vulvovaginal pseudomycelium yeast disease. Specifically need to find a doctor for examination first, under the guidance of a professional doctor to use drugs, to avoid their own blind use of drugs.