Children’s gums red and swollen to consider with dental caries, apical periodontitis, pulpitis and other factors related to the need for timely symptomatic treatment. 1. Dental caries, if the child has dental caries, bacterial viruses or other pathogens invasion may lead to gum irritation, not dare to use the affected side of the chewing, this symptom, you can promptly seek medical treatment for filling treatment, for example, you can use resin filling. 2. Periapical periodontitis, if the child has periapical periodontitis, the periapical area of inflammatory secretion, may lead to this symptom, you can promptly seek medical treatment for root canal treatment. 3. Pulpitis, if children have pulpitis, the pulp cavity pressure increases, inflammatory secretion oozing, do not dare to use the affected side of the chewing may lead to gum redness and swelling, need to actively seek medical treatment for root canal treatment. Usually need to do a good job of children’s dental care health care, keep a light diet. Timely consultation.