It is also possible to extract milk teeth in the afternoon, especially for milk teeth whose roots have been mostly resorbed. For milk teeth that are not loosened at all, it is recommended that they should be extracted in the morning, and it is recommended that they should be examined and treated by a dentist. Milk teeth routinely need to be extracted during the replacement period, when the milk teeth have been loosened, the root of the milk teeth has been mostly resorbed by radiographs, usually not too much blood will come out of the tooth when it is extracted, and it can be extracted in the afternoon. If the roots of the milk teeth are not resorbed, there is basically no movement, the permanent teeth are erupting lingually, and the child is not able to fully cooperate, it is recommended that the milk teeth be extracted in the morning. If there is excessive bleeding or fever or discomfort in the morning, the patient can be seen again in the afternoon for treatment. The phenomenon of excessive bleeding at night after extraction in the afternoon is not easy to observe and find, and bleeding at night needs to go to a regular hospital with an emergency dental clinic.