Mouth ulcers usually do not exist what milk is best to drink. Drinking milk can be appropriate, and drinking milk is not the main method of prevention and treatment of mouth ulcers, patients should be under the guidance of the doctor’s scientific treatment. 1. Mouth ulcers are mainly caused by malnutrition or partiality. Milk is rich in vitamin C and vitamin B2, to a certain extent on the relief of mouth ulcers, can provide enough raw materials for cell repair, the human body’s daily intake of protein composition is limited, the patient can drink milk in moderation. 2. patients with mouth ulcers can take cimetidine, cediriodine tablets and other medications under the guidance of a doctor, can inhibit and destroy the buds, fungi, ulcers have anti-inflammatory, promote healing effect. It is recommended that patients should go to the hospital for a physical examination in time, as well as regular observation of the oral wound condition and wound condition. Food does not have a therapeutic effect, but only plays an auxiliary role, the use of drugs need to follow the doctor’s advice.