Before surgery 6 hours before the operation is prohibited to eat and drink; avoid the baby to be cold, cold, cough are relative contraindications to surgery. Postoperative 1, go to the pillow lying flat fasting water for 6 hours; after surgery can get out of bed, but can lie down on the bed, can sit on the bed; 2, keep the incision gauze dry, such as pollution, wet, timely replacement; 3, 7 days after surgery can go to the gauze, the incision has generally been completely healed. During the period, if there is gauze pollution, shedding, need to replace the gauze again; need to remove the stitches 8 to 9 days after surgery to remove the stitches. 4, 2 weeks after surgery to the hospital outpatient review;