8-year-old children with large gaps in their incisors can first be observed for about a year and a half, if the gap is found to be large without improvement of the situation needs to be considered later orthodontic treatment. 1. Observation: Most of the incisors of 8 years old children will be found to have gaps due to the fact that after the eruption of the incisors, the embryos of the second incisors will concentrate on the roots of the incisors, causing gaps in the incisors, but after the eruption of the incisors, the gaps in the incisors will be slowly closed, so this stage can be observed for a year and a half or so first. 2. Orthodontic treatment. If the gap between the incisors is still large after observation of the eruption of the lateral incisors, it is necessary to consider orthodontic treatment to align the teeth. The gap between the incisors of 8-year-old children may also be caused by the upper lip tie is too short, specific need to go to the hospital to check the oral situation according to the doctor’s advice to deal with.