Most children’s milk teeth are able to fully erupt by the age of two and a half years, some may be later or earlier due to some differences in development between individuals. The details are as follows: Generally, the child’s first milk teeth begin to erupt at 6~8 months, not later than one week of age, and the milk teeth fully erupt at about 2~3 weeks of age. After the eruption of the child’s teeth must give the child to maintain good oral hygiene, after meals and bedtime to help clean the mouth, especially to prevent the occurrence of bottle caries. After the eruption of the child’s teeth, you can give the child a moderate amount of slightly harder food, in order to facilitate the replacement of teeth and jaw development. The above analysis can be referred to, if the child’s milk teeth more than a week old has not erupted the first milk teeth, it is recommended to go to the hospital stomatology department, a clear diagnosis of symptomatic treatment.