1. Drinking alcohol in the case of mouth ulcers, under the stimulation of alcohol will stimulate the damaged oral mucosa to slow down the recovery process or even aggravate the condition, so it is recommended to ban alcohol. 2. After the appearance of mouth ulcers, it is recommended to have a light diet, avoid spicy and stimulating food, eat more fruits and vegetables, quit smoking and drinking, keep the mouth clean and hygienic, rinse the mouth frequently, take sufficient rest and avoid tension and anxiety. 3. In addition to general treatment, can also be used locally lidocaine gel, watermelon cream or containing the drug to promote the healing of the ulcer surface, the drug is recommended to follow the doctor’s instructions to use, the emergence of adverse reactions to timely consultation, drug allergy is prohibited. So mouth ulcers are not recommended to drink alcohol, need to actively cooperate with the doctor to accept treatment to improve the symptoms, promote the recovery of the disease, the use of drugs need to comply with medical advice.