Children with ulcers on the gums may be traumatic factors, lack of vitamins, etc., which can be treated by stomatitis sprays and vitamin supplements. 1. traumatic factors: such as potato chips, fish bones, shellfish and other seafood and caused by scratching or abrasion, their own teeth accidentally bite, toothbrush scratches, etc., these are prone to damage the mucosa of the gums and lead to ulcers should be given under the guidance of the doctor stomatitis sprays and other oral sprays to promote the healing of ulcers. 2. Lack of vitamins: Children with ulcers on the gums may be caused by a lack of vitamins in the body. Vitamins such as vitamin B12 or vitamin B2 can be taken under the guidance of a doctor to relieve the pain. Children with ulcers on the gums may also be related to other reasons, it is recommended to go to the hospital in a timely manner, to clarify the cause of the disease under the guidance of the doctor for treatment.