Children’s teeth broken from the gums according to the situation need to be root canal treatment after the pile core crown repair, but also need to take pictures to check the periodontal tissue. Children’s teeth broken from the gums are mostly caused by trauma, generally need to perform root canal treatment, film to check the periodontal tissues, if the periodontal tissues are damaged, after root canal treatment, need to be temporarily observed to make the periodontal tissues to recover, to be eliminated after periodontal inflammation, consider restoring the upper part of the tooth body shape, after the tooth is preformed crown restoration. If the periodontal inflammation is not eliminated after root canal treatment, extraction of the tooth should be considered in order to avoid affecting the lower permanent tooth germ or expanding the damage to the periodontal tissues. Children with broken teeth from the gums are advised to seek medical attention as soon as possible to avoid aggravation of the condition and further damage to oral health.