Preparation method of Tibetan medicine antibacterial mouthwash

The invention relates to the technical field of oral hygiene care, in particular to a preparation method of Tibetan medicine antibacterial mouthwash. The preparation method of the Tibetan medicine antibacterial mouthwash comprises the following steps: step 1, selecting raw materials according to preset parts by weight, selecting myrobalan, black alum and symplocos sumuntia leaves according to a fixed proportion, putting the raw materials into a container, adding water, decocting, and filtering; 2, adding a trace amount of ethanol into the chemical disinfectant, dissolving to 0.5-1%, and uniformly stirring; and 3, fully mixing the solution obtained in the step 1 and the solution obtained in the step 2 according to a ratio of 1: 0.0002, adding water to a proper amount, uniformly stirring, standing for 12 hours, taking supernate, and filtering to obtain the Tibetan medicine antibacterial mouthwash. The prepared Tibetan medicine antibacterial mouthwash can effectively inhibit cariogenic bacteria such as streptoco