1. Monitor blood oxygen, heart rate and electrocardiogram for 2 hours after surgery; lie flat on the pillow for six hours after surgery, and routinely abstain from water and food. Let the child’s head tilt to one side, pay special attention to whether there are frequent swallowing movements, promptly let the child spit out the secretions in the mouth, and observe whether there is active bleeding. 2. Start to give cooled liquid diet six hours after surgery. 3.From the second day after surgery, the diet should be cooled thin gruel, broken noodles, egg custard, etc., with small and frequent meals. Encourage the child to drink water and explain to the family not to give too hot and hard diet. To avoid scalding or puncturing the white pseudomembrane growing in the surgical area. 4. Discharge instructions inform the family that it takes 3-4 weeks for the child’s surgical wound to heal completely, so they must insist on eating warm, cool, soft food, avoiding raw, hard, spicy, fried and overheated food, and eating as little stimulating fruit and juice as possible. 5. On the 3rd – 14th day after surgery, gargle with active silver ion mouthwash three times a day after meals, which has the effect of preventing infection and promoting the healing of the surgical wound. After children’s tonsil and adenoid hypertrophy resection, parents must let their children do the above five major care to avoid infection. If patients have bleeding in the surgical area after discharge, they can contact the doctor through the surgeon’s phone number left in advance. In case of emergency, you must go to the nearest major local hospital first to avoid delaying the child’s condition.