When a child grows up with toothache, the following measures can be taken: 1, adjust the diet structure, mainly liquid or semi-liquid, avoid gnawing hard food to prevent rubbing the mucosa to produce rupture or form ulcers; 2, when the gums around the molar are congested and swollen, you can apply 3% hydrogen peroxide solution and saline alternately to rinse, decompose the stagnant food residue and soft scale, and control the number of bacteria; 3, if the molar If the gum above is thicker and the gingival flap formed prevents the teeth from erupting or causes difficulty in teething, the gingival flap can be removed under local anesthesia to separate the fibrous tissues and help the teeth erupt quickly; 4. Children can brush their teeth in time after meals and rinse with mouthwash to maintain oral environmental hygiene.