Oral mucosa may be damaged due to inflammation, trauma, etc. The main methods to promote recovery include medication and daily care, as follows. 1. Medication: The purpose is to reduce inflammation and analgesia and promote healing. Drugs should be used under the guidance of doctors. (1) Anti-inflammatory and analgesic drugs: Lidocaine gel, chlorhexidine gargle, etc. (2) Drugs to promote healing: recombinant human epidermal growth factor topical solution, recombinant bovine basic fibroblast growth factor topical solution, rehabilitation of new liquid, etc.. 2. Daily care: Avoid rough and hard food, spicy and stimulating food or too hot food, ensure sufficient sleep and regular diet, maintain oral cleanliness. It is recommended to go to the hospital, with the help of the doctor to clarify the cause of the disease, targeted treatment, the use of drugs need to follow the doctor’s instructions.