The more common mouth ulcers are mainly recurrent Aphthous mouth ulcers. Recurrent Aphthous mouth ulcers can generally choose to carry on the drug treatment, relatively speaking, the effect is better. Clinically, recurrent Aphthous mouth ulcers need to be treated with medication under the guidance of a doctor, such as iodine tablets, watermelon cream chlorhexidine solution and other medications, which can alleviate the symptoms. If the situation is more serious, you can also use recombinant human epidermal growth factor spray, compound chamomile lidocaine gel and other drugs under the guidance of a doctor. During the treatment period, you need to maintain a balanced diet, and it is best not to eat greasy, spicy and stimulating food frequently. In case of persistent mouth ulcers, one should also be alert to other diseases such as leukosis and cancerous ulcers. These conditions need to be examined in the hospital, and if necessary, biopsies need to be taken for pathologic examination.