In order to reduce intraoperative and postoperative psychological pressure on patients and their families, and to enhance postoperative efficacy, please be sure to read carefully and keep in mind the following precautions: 1, treatment: 1, exercise, weight loss 2, position 3, ventilator, 4, oral snore stopper 5, surgery, 2, the patient needs to be fully aware of the patient prior to admission 1, the long-term effect of surgery is not ideal 2, the problem of postoperative respiratory distress (ICU and cost?) 3.Post-operative bleeding problem 4.Post-operative pain problem and eating problem (naso-esophageal tube?) 5. Postoperative breathing machine problem. 3. Direct effects 1. Sleep quality (reduced sleep time, sleep fragmentation, sleep depth and light imbalance) 2. Hypoxia, sympathetic excitation, increased blood viscosity 3. Hypercarbia 4. Abnormal development of the maxillofacial region 5. Breathing effort and negative pressure in the thoracic cavity. 4. Children’s OSAHS 1. Prolonged open-mouth respiration (abnormal development of the maxillofacial region) 2. Prolonged sleep instability (PSG) 3. Oxygen deficiency) 3, complication of otitis media, hearing loss 4, complication of sinusitis 5, long-term upper respiratory tract infections V. Ventilator use 1, fear of mind 2, mask selection and adaptation problems, pressure, mask leakage problems, high pressure, shock, position change leakage problems 3, cold and flu 4, anatomical anomalies: pressure is too high, the sense of shock