Small babies with ulcers on their gums can be treated and relieved in the following ways: a. A children’s packaged stomatitis spray can be sprayed on the affected area to promote healing of the ulcer and to reduce the symptoms of pain. The children’s spray is sweet and acceptable to the baby. Second, the baby should drink more water, pay attention to the water supplement, you can also drink juice, pay attention to the vitamin supplement, so that the ulcer can heal as soon as possible. Third, the baby should be given more vitamin-rich foods in the diet, and the diet should be balanced and not partial. Also eat a small amount of nuts, nuts may sometimes pinch the ulcer site, and aggravate the symptoms of pain.