Many parents are very anxious and helpless when they see their children’s ingrown teeth, and they miss the best treatment period because of the lack of common knowledge about the treatment. Therefore, parents need to pay attention to the treatment of diastema and actively cooperate with the doctor, otherwise it will bring regrets to the child’s appearance in the future. Many parents may think that the baby teeth will be replaced anyway, so they may get better after the teeth are replaced, but although a small percentage of cases are not serious and will get better after the teeth are replaced, this percentage is after all limited, so we still advocate active treatment and do not give up the chance of treatment to reduce the chances of recurrence. 2, 9-13 years old time period for treatment, because this stage is the pre-puberty and peak of the child’s growth and development, can be achieved by promoting or inhibiting the growth of the jaw bone to achieve the purpose of treatment, more beneficial to improve the child’s facial shape and function. 3, at the age of 18 years old, if the above two processes are missed, do not rush, feasible orthognathic orthodontic joint treatment, this stage of treatment is mainly in the preoperative orthodontic based on surgical osteotomy receding mandible and forward displacement of the upper jaw to fundamentally solve the problem of geodesic, but this surgical procedure requires general anesthesia, anesthesia risk, treatment costs are relatively high, the current overall treatment cost is about 8-10 million. The first and second stage of treatment as soon as possible has a chance of recurrence, especially the genetic factors caused by the recurrence of geodesis is relatively high, but the clinical advice to parents according to the age of the child, the targeted treatment.