First, preoperative care 1, preoperative children pay attention to keep warm, cold and fever is to postpone the operation. Severe cases can be postponed for 2-3 weeks. Parents should keep this in mind. 2, the day before the operation, it is best not to leave the hospital, because the doctor in charge, anesthesiologists need to talk to the preoperative, explaining the precautions for surgery. 3.After being admitted to the hospital, parents need to wash their children’s hands (feet) with warm water and trim their fingernails (toenails) every night. 4. On the day of surgery, the child will be dressed in a hospital gown (with his/her own shoulder without sleeves and diaper) and accompanied by the operating room staff and the nurse in charge to the operating room. Post-operative care 1, because of anesthesia need to lie down for 6h. 2, after the operation by the responsible nurse according to the medical advice of cardiac monitoring, oxygen, infusion and other treatments and observation of the condition of the parents can rest assured. 3.If the child has gastrointestinal peristalsis in 4h after the operation, the child can be fed warm brown sugar water first, and can have regular diet after no discomfort.