Mouth ulcers can be eaten on a diet except for spicy, greasy and other irritating foods that should be avoided as much as possible. Drugs, if there is a vitamin deficiency, you can take vitamin B, vitamin C and other drugs. Mouth ulcers in the diet is no absolute contraindication, to eat less pickled, fried, spicy, barbecue and other foods, to avoid irritation of the ulcer surface, other foods can basically eat, especially rich in minerals and vitamins, fruits and vegetables, can be appropriate to eat some more. Part of the body lack of vitamins, can also eat vitamin B, vitamin C and other drugs. Mouth ulcers mostly grow in the inner part of the mouth, palate, tongue and cheeks and other parts of the mouth, although this disease will not endanger the patient’s life, but repeated episodes may form a number of larger ulcer spots, in order to alleviate the pain, the patient needs to actively cooperate with a professional doctor for treatment.