The treatment methods of enamel hypoplasia are as follows: 1, light enamel hypoplasia is mainly the change of color and transparency, usually treated by decolorization method; 2, heavy enamel hypoplasia is usually treated by resin filling or full crown restoration; 3, the substance of enamel hypoplasia is defect and pit, which is unfavorable to oral cleaning, so it is necessary to perfect the anti-caries treatment, such as infants and children with poor compliance, can be coated and other anti-caries treatment; 4, enamel formation in the period of jaw bone development, maternal pregnancy and infant period need timely supplementation to prevent enamel defects leading to hypoplasia.