There are many reasons for a small child’s gums to have a small bump, such as physiological factors, gingivitis, periapical inflammation. 1. Physiological factors: small children who happen to be in the process of tooth replacement, due to the partial loss of milk teeth, the permanent teeth will be erupted in the local gums will be raised, so similar to the small children’s gums have a small pimple phenomenon. 2. Gingivitis: small children with gum inflammation, can also lead to small children with a small pimple on the gums of the phenomenon, at the same time in the bite of hard objects, brushing teeth, there will be bleeding gums. 3. periapical inflammation: small children with dental disease, such as dental caries, gingivitis, etc., may induce periapical inflammation, resulting in periapical gum fistula, which will cause small children to have a small pimple on the gums. There are many reasons why a small child’s gums have a small meat bumps, after the symptoms are recommended to go to the hospital in a timely manner to improve the examination, in accordance with the doctor’s instructions to take standardized treatment, not to ignore the symptoms, to take it lightly.