The treatment of calcified white spots needs to be based on the cause of the symptomatic treatment, the common causes are enamel underdevelopment, early caries, dental fluorosis and so on. 1. Enamel underdevelopment: because of the enamel base formation obstacles, can form white spots, white spots around the border is more obvious. If there is no symptom, it can be treated without treatment. If it is necessary to treat it, fluoride coating or light-curing restoration can be used for mild and moderate cases, and veneer restoration and crown restoration can be used for severe cases. 2. Early stage of caries: Early stage of caries can be manifested as demineralization of inorganic substances, resulting in white spots on the teeth, at this time there is no defect. The main purpose of treatment is to terminate the continuation of dental caries, need to grind away the basis of dental caries, and then use drugs to inhibit the occurrence of dental caries, the use of drugs, including silver ammonia nitrate and sodium fluoride, and so on. 3. Dental fluorosis: light dental fluorosis is characterized by white spots on the surface of tooth enamel. Treatment is mainly light-sensitive curing restoration, using modern resin veneers minimally invasive, to improve the wettability of the enamel surface and promote mineralization repair. The appearance of calcified white spots on the teeth, it is recommended to go to the hospital in time to avoid aggravation of the condition, resulting in more serious damage to the teeth.