If the tongue is rotten, you can apply watermelon cream spray, open-throat sword spray, and rehabilitation new liquid gargle on the ulcer surface to promote the healing of the ulcer surface. If the ulcer on the tongue surface is painful and obvious, you can apply lidocaine gel to the ulcer surface to relieve pain and recombinant human epidermal growth factor to the wound surface to be able to promote the healing of the ulcer surface. If the rotten tongue is due to fungal infection in the mouth, resulting in redness, white patches, and erosion on the surface of the tongue, you can apply powder ground from mycophenolate tablets on the tongue surface to inhibit the growth of the fungus, or you can use a light saline or sodium bicarbonate water solution to rinse the mouth. If inflammation of the tongue papillae occurs on the surface of the tongue, most of them are caused by vitamin and trace element deficiencies in the body, which should be actively supplemented with vitamins.