On January,2007,a sick child who came from HeiLongRiver Province,named An come to our hospital after his parents consult a lot of doctors,After our head expert,LiNianfa,checked him up,diagnose the child as congenital heart disease—VSD.The patient was admitted to the hospital on January,22,After preoperative procedure,we did the patch of VSD under extracorporeal circulation in our operating room on 8:30 ,morning of January 27,at 11:50, the operation was finished,the child was shifted to the ICU,the child was well, so we shifted him to common ward on Janurary,30.Now the child is under recovery. Until now ,our hospital had completed nearly 100 cases including congential heart disease,the replacement of the valve,heart tumor and heart by-pass.