The symptoms of oral tract ulcers can be treated with local medication. 1. If the ulcer surface is large, accompanied by the phenomenon of redness and swelling, local disinfection using povidone-iodine to smear the ulcer surface, can also be used to promote the healing of drugs to promote its rapid healing, commonly used drugs are recombinant bovine cell growth factor, watermelon cream spray, open-throat sword spray, etc. for the local application of spraying. 2. The whitening of the mucosal surface proves that the healing has been basically perfect, belonging to the stage of mucosal neo-keratosis, without obvious symptoms, can be given to the mouthwash external anti-inflammatory treatment; the oral cavity to give the external use of compound chlorhexidine gargle, rehabilitation of the new liquid gargle anti-inflammatory. 3. Mouth ulcers are generally self-limiting small ulcers do not need drugs, 7 to 10 days or so can be healed; large ulcers generally half a month to a month or so can be healed; usually pay attention to a balanced diet, avoid overeating. If you have symptoms of physical discomfort, you should go to the hospital in a timely manner, under the guidance of a physician, after a clear reason to give targeted treatment, the use of drugs need to follow the doctor’s instructions.