It turns out that 3-year-old Xiaohong (a pseudonym) has always had the habit of eating nighttime milk, from the age of about 1 year old teeth began to yellow and black, a piece of the loss, until recently found that the teeth are getting worse and worse, has affected Xiaohong normal meals, and from time to time there are symptoms of tooth pain. Recently, parents brought Xiaohong to Huamei Hospital of Liaocheng City Second People's Hospital, where attending physician Zhang Min received her. Upon examination, it was found that Xiaohong's whole mouth of twenty baby teeth had a dozen of caries, tooth shape damage is more serious, the need for carious teeth root canal treatment and filling treatment, followed by metal crowns and transparent resin crowns to restore the treatment. The family was informed that Xiaohong was too young to cooperate with the completion of oral treatment, and that the current treatment options included treatment under restraints and general anesthesia. Initially, the parents requested treatment under restraints. After two teeth were treated under restraints, considering the child's high number of visits and severe crying, the parents requested that the remaining teeth be treated under general anesthesia, which would not only eliminate the child's fear of oral treatment, but also improve the effectiveness of oral treatment.