Tongue root ulcer can choose spray type of drugs, such as open throat sword spray, watermelon cream spray, stomatitis spray, etc.. In addition, you can choose to use mouthwash, commonly used are compound chlorhexidine gargle, a sand acridine solution, compound borax solution, or you can choose potassium permanganate solution, etc. You can also choose furacilin solution, all can effectively promote the healing of ulcers. In addition, you can use the intravitreal patch, or use the dexamethasone drug patch, can effectively promote the healing of ulcers. For severe pain, lidocaine or procaine can be used for effective pain relief. If the ulcer is deeper and larger, you can choose local submucosal injection of prednisolone suspension, which can promote rapid healing of the ulcer, and it is recommended that appropriate vitamin and trace element supplementation can be supplemented with vitamin complex.