Many parents do not let their children develop good, healthy oral hygiene habits, food debris accumulated on the surface of the teeth to produce bacteria, invasion of the gums, the development of inflammation of the gums. Inflammation of the gingiva affects the eruption of permanent teeth, and even lead to crowding phenomenon, children’s gingivitis is broadly divided into the following three aspects: 1, oral cleaning is not in place, the occurrence of gums red, swollen, inflammation, bleeding and other phenomena, this situation needs to be thoroughly remove plaque, tartar, to maintain oral hygiene, gingivitis will be cured; 2, eruption of gingivitis, that is, in the eruption of the permanent teeth around the crown of the gingiva red and swollen, this situation will naturally be after the eruption of permanent teeth. This situation will disappear naturally after the eruption of permanent teeth; 3, children in the eruption of permanent teeth crowding or misalignment phenomenon, the accumulation of food can cause gingivitis, so parents need to regularly supervise and guide the child to brush their teeth, so that the child to maintain a healthy, good oral hygiene.