Preparation method of oral antibacterial gel containing recombinant human collagen

The invention discloses a preparation method of oral antibacterial gel containing recombinant human collagen. The method comprises the following steps: S1, taking materials; s2, taking the deionized water A in the S1, adding the purslane extract, the pseudo-ginseng extract and the scutellaria baicalensis extract into the deionized water, and stirring until the materials are completely dissolved; s3, taking the deionized water B in the S1, putting cetylpyridinium chloride, tetrahydromethylpyrimidine carboxylic acid, strontium chloride, sorbitol, glycerol and hydroxyethyl cellulose into the deionized water, and completely dissolving the cetylpyridinium chloride, the tetrahydromethylpyrimidine carboxylic acid, the strontium chloride, the sorbitol, the glycerol and the hydroxyethyl cellulose; s4, pouring the solution in the S2 into the solution in the S3 in three batches, and stirring; s5, adding hyaluronic acid and a modified additive into the solution in S4, and stirring; and S6, adding the recombinant human co