Mouth ulcers tongue blisters can be treated with medication, attention to oral hygiene, vitamin supplementation and other methods. 1. medication: oral amoxicillin or topical watermelon cream and other drugs can be used to treat oral ulcers and tongue blisters. 2. Pay attention to oral hygiene: oral ulcers tongue blisters can be by paying attention to oral hygiene, brushing your teeth every day, rinse your mouth after eating, can ensure oral hygiene, rinse out the bacteria in the mouth, relieve the symptoms of oral ulcers tongue blisters. 3. Supplementary vitamins: when the body lacks vitamins, the tongue will be broken, which may induce mouth ulcers and tongue blisters. You can take vitamin B1 tablets or vitamin B12 tablets orally. If the symptoms of mouth ulcer tongue blisters are serious or have not been improved, it is recommended to go to the hospital in time. All of the above medications should be used under the guidance of a doctor.