Middle school students with mouth ulcers can eat more vitamin-rich foods to accelerate the healing of ulcers, and can also use mouth ulcer sprays to relieve pain. At the same time relax mood, do not have too much pressure because of learning, so as not to aggravate the frequency of ulcer attacks. The cause of mouth ulcers is still unclear, belonging to autoimmune disease, its development is related to a variety of factors. You can improve your immune system through sports to delay the onset of mouth ulcers, and you can also take oral medication to improve your immune system. Mouth ulcers attack pain is very obvious, can be used in the ulcers ulcer drugs, such as mouth ulcer spray or dexamethasone acetate paste tablets, can relieve the pain. Therefore, junior high school students can use ulcer drugs when mouth ulcers, or strengthen physical exercise to improve immunity, accelerate the healing of ulcers, the need to go to the stomatology department, the use of drugs need to follow the doctor’s instructions.