At present, most adults suffer from light and medium periodontitis, gingivitis can be treated by a medicinal toothpaste, but the medicinal toothpaste is not applicable to pregnant women or the old. Due to the addition of alkali mineral salts, inflammatory tissue can be dehydrated because of permeability of the alkali mineral salts, tooth gum can be protected in daily cleaning, tooth gum bleeding can be reduced, and edema of periodontitis can be eliminated.