Gargling with white wine is not recommended for mouth ulcers; not only does white wine gargle not have a therapeutic effect, it may also irritate the affected area, which is not conducive to healing. Mouth ulcers are the destruction and defect of the mucous membrane in the mouth, forming a depression. White wine is not a substitute for medical alcohol used to disinfect and sterilize, and alcohol is irritating, into the wound will cause pain, and destroy the normal tissue within the wound, so that the wound healing is slow. Therefore, mouth ulcers are not recommended to gargle with white wine. Generally, mouth ulcers can be treated by taking cediriodine tablets, or by using ice boron powder, watermelon cream and other topical sprays on the affected area, and the specific medication should follow the doctor’s instructions. During the period of mouth ulcers, it is recommended to eat a light diet and avoid spicy stimulating food.