For two-year-old baby gums red and swollen when the treatment measures, as follows: First, gargle hydrogen peroxide and other solutions: baby body immunity decline, necrotizing gingivitis occurs, the local gums broken, you can gargle hydrogen peroxide or potassium permanganate solution, to remove necrotic tissues, systemic application of antibiotics if necessary. Second, local spraying anti-inflammatory, antiseptic drugs: parents apply gauze to scrub the baby’s mouth, if inadvertently damage the gums, you can spray anti-inflammatory, antiseptic drugs in the local spray, such as gold throat health spray, rehabilitation of the new liquid, etc., to accelerate the healing of ulcers. Third, root canal treatment: large caries in milk teeth, resulting in chronic periapical inflammation, resulting in red and swollen gums, can be timely open pulp drainage, remove the infected pulp, to complete the root canal treatment. Removal of retained food, etc.: If the gap between the milk teeth is large and often embedded food fibers, dental floss, dental floss, etc. can be applied to remove retained food, soft tartar, to reduce the retention of plaque.