Abstract: ObjectiveTo explore methods and prevent complication with transection and intra fixation of breastbone and costa to treat pectus excavatum in children. Methods35 cases cured with transection and intra fixation of breastbone and costa to treat pectus excavatum were analyzed. Results35 cases have good contours in one operation. 1 case's pleurisy was wounded slightly. 2 case complicated with lung infection. Conclusionstransection and intra fixation of breastbone and costa is a simple methods to treat pectus excavatum in children and it has little complication..It's orthopaedic is obvious. It is worth to spread.

Key words: pectus excavatum, pediatric orthotic surgery, transection