The extraction of milk teeth includes loose milk teeth and non-loose milk teeth, as follows. 1. Loose milk teeth: first, surface anesthesia, with a probe to check the feeling of the gums next to the teeth, when the gums do not feel pain, with extraction forceps or hemostatic forceps to remove the milk teeth. 2. Non-loosening of milk teeth: permanent teeth have erupted, milk teeth are still retained and not loosened, then first in the gum mucosa coated with surface anesthetics, and then local infiltration anesthesia, and so on the anesthesia to show the effect of the milk teeth will be extracted. Regardless of which extraction method is used, aseptic operation during extraction and strict adherence to post-extraction instructions after extraction can effectively prevent post-extraction infections. Loose or retained milk teeth, it is best to take the child to the hospital stomatology department in a timely manner, can not be treated by themselves, to avoid the occurrence of adverse reactions.