The following measures can be taken: 1. Pay attention to the warmth of the face, usually wear a mask, you can also use a warm towel to warm the face, do not wash the face with cold water. 2. As the eyelids are not fully closed easy to form exposure conjunctivitis, you can usually sleep with Vaseline gauze over the eyes. 3. Pay attention to oral hygiene, rinse the mouth after meals, and remove the residual food located between the teeth and the buccal mucosa in a timely manner. 4. The prognosis is better for early treatment. The prognosis is good and can be fully recovered.