Root swelling is exactly in the root of the gums above the swelling, generally the following three cases may appear gum swelling, need to take different measures: 1, apical periodontitis, including acute and chronic periapical periodontitis, but with chronic periapical periodontitis is more common, apical periapical inflammation caused by the swelling need to carry out endodontics; 2, periodontal abscess caused by the swelling, the need to be eliminated through the periodontal treatment; 3, the root fracture and the combination of Infection will require extraction of the affected tooth. Once the gums found on the swelling of the first to identify the cause, can be through clinical examination combined with X-ray to confirm the location of the affected tooth and find the cause, if necessary, through the oral anti-inflammatory drugs to assist in the treatment.