Objective To discuss the clinical effect of pediatric obstructive sleep apnea hypopnea syndrome(pOSAHS) with tonsillectomy and adenoidectomy(TA).Methods To observe pre-postoperative change on 58 confirmed pediatric obstructive sleep apnea hypopnea syndrome cases by TA.Results Among them,56 cases were recovery.2 cases were amelioration.Conclusion TA on pOSAHS is effective,safe therapeutic measure.