Children’s gums bulge may be the emergence of gingivitis, apical periodontitis and other diseases, may also be horse teeth and other physiological factors. 1. Gingivitis, some patients with gingivitis after inflammation stimulation of the gum tissue, resulting in gum congestion, swelling, the emergence of children’s gums bulging. 2. Periapical periodontitis, the clinical appearance of periapical periodontitis, periapical inflammatory stimulation, secretion of a large number of inflammatory substances, the formation of abscesses, the emergence of children’s bulging gums. 3. Horse teeth: newborns oral palate on both sides of the midline and the edge of the gums appear some yellowish-white dots, very much like a long out of the teeth, commonly known as “horse teeth”, looks like the gums bulge, is a physiological phenomenon. Children’s gums may also have other reasons, it is recommended to go to the hospital in a timely manner, improve the examination to clarify the cause of the disease, under the guidance of the doctor to give targeted treatment or treatment.