Composition for oral cavity and application and preparation method of composition

The invention relates to a composition for an oral cavity and application and a preparation method of the composition. The composition comprises the following components in parts by weight: 0.1-1 partof a lemon extract, 0.1-2 parts of a propolis extract, 0.05-0.8 part of a tea leaf extract, 0.5-5 parts of sea salt, 0.1-5 parts of an Aloe vera extract, 0.05-0.8 part of melaleuca alternifolia essential oil, 0.06-1 part of a white birch bark extract and 0.02-1 part of a mangnolia officinalis bark extract. By selecting components, on the basis of medicinal principles of different components, withthe combination of the components of a specific ratio, and by virtue of sufficient synergetic effects of the components, the composition provided by the invention has efficient effects of inhibitingbacteria, eliminating helicobacter pylori, relieving gum inflammation and treating ozostomia; meanwhile, the composition provided by the invention is reasonable in cost, simple and convenient to prepare, safe to use, relatively