Children’s teeth did not fall in the back of the teeth and then grow a suggestion in time to the hospital to pull out the milk teeth, but also pay attention to protect the teeth in life, otherwise there may be a new tooth growth deformity. 1. Extraction of milk teeth: children’s teeth did not fall in the back of the teeth and grow a generally belong to the retention of milk teeth, the need to go to the local more formal dental hospitals in a timely manner will be extracted milk teeth, otherwise the growth of permanent teeth will be affected, resulting in the teeth to grow skewed, crooked, will not only affect the child’s personal image, but also lead to the child chewing food later in life when the influence of the time. 2. Protect the teeth: in the teething stage, parents should inform the child of the importance of permanent teeth, give the child to establish the correct knowledge of dental protection, so that the child to develop a good habit of brushing their teeth every day, rinse their mouths after meals, do not have to be too fine in the diet, appropriate to eat some coarse grains, or it may affect the health of the permanent teeth, resulting in an increase in gingivitis, dental caries, and other diseases of the incidence of the disease. It is recommended that children go to a specialized hospital for treatment.