［Abstract］ Objective: Study of psychological intervention combined intravenous analgesia effects on children postoperative analgesia effect. Methods: Choose 40 cases of children with funnel chest orthotics, children in addition to the funnel chest, no other organic diseases, controlled analgesia pump was opened in 30 min before the end of the operation and continued infusing for 48 hours, respectively in postoperative 1, 6, 12, 24, 36 and 48 h record the These patients were divided into two groups Randomly.Ⅰpsychological intervention group (groupⅠ): children in groupⅠrecieved preoperative psychological intervention. Ⅱcontrol group (group Ⅱ) : Children in groupⅡ recieved conventional perioperative preparation. Two groups in 30 min before the end of surgery used electronic controlled analgesia pump , continuous pumping volume was 5μg•kg-1d-1and 2ml/h, locking time was 15 min, infusion continued 48h. Alert/sedation score (OAA/S) and pain score were used, and records related to postoperative adverse reactions. Results: Ramsay sedation scores in groupⅠis significantly higher than Ⅱ group (p <0.05), Ⅰgroup was lower than that in group Ⅱ FLACC score (p<0.05). total dosage of fentanyl in 48 h groupⅠ(9.6±2.0)μg•kg-1was significantly less than groupⅡ（13.8±2.2）μg•kg-1 (p < 0.05). groupⅡ(7.9±1.7)in pressing times was significantly more than groupⅠ(4.8±1.5)(p< 0.05).Conclusion: preoperative psychological intervention can improve the effect of children with funnel chest corrective postoperative analgesia, enhance children for postoperative pain tolerance, promote patients recover smoothly