Baby’s teeth corrosion, if it is relatively shallow, relatively early when the teeth are not yet very large defects, can be strengthened by strengthening the baby’s brushing, if the baby is not able to brush their own teeth, parents must help its good brushing, as far as possible to slow down the process of dental caries continue to decay. If there is a certain amount of early caries, you can also apply fluoride to the surface of the teeth, fluoride coating to prevent further dental caries, and if a relatively large caries has formed, if it is a relatively small child, it may be difficult to cooperate with the treatment, there is no better way. Therefore, for the relatively small baby teeth caries, must be prevented, try to prevent the development of caries, because once reached a relatively heavy caries may be clinically filling treatment is more difficult to carry out.