When a child’s teeth stop growing halfway, it may be caused by external resistance, abnormal root eruption difficulties, etc., and needs to be treated according to the specific reasons, such as removing external resistance or orthodontic traction. 1. Remove external resistance: half of the child’s incisors do not grow, it may be that the baby teeth have not fallen out to hinder the growth of teeth, the need to remove the retained baby teeth, or the gums are too thick to cause eruption difficulties, the need to remove part of the gums to help the teeth eruption. 2. Orthodontic traction: half of the incisors stop growing, may also be the teeth have pulpitis or periapical periodontitis, resulting in the teeth no longer upward eruption, the need for root canal treatment, and then consider orthodontic traction out of the teeth. The child’s incisors half-length does not grow, if after filming and examination of the tooth is not yet fully developed, but also according to the situation to take root canal treatment after the pile core crown repair.