A pimple on the flesh of a baby’s not-yet-teething tooth may be an eruptive gingivitis or a normal condition during teething. 1. Eruption gingivitis: gingivitis may be induced during tooth eruption, resulting in red, swollen and painful gums, accompanied by fever, loss of appetite and other symptoms. 2. Teething: Gums of young children will bulge slightly when they are teething and feel hard to the touch, which is generally normal for teething. It is normal for teething and can be observed first. Suggest regular observation of the child’s oral cavity, if only teething, generally no special treatment. If the bumps cause pain and other discomfort, it is recommended to consult a doctor in time for examination and treatment.