1, funnel chest is a common congenital thoracic deformity in pediatric surgery, with the sternum as the center of the anterior chest depression, both sides of the rib cartilage successively curved, resembling a funnel, also called “collapsed chest”. 2, “funnel chest” will make the chest cavity narrow, the collapsed sternum on the heart, lungs and other organs caused by compression, and then affect the child’s breathing and blood circulation, so that lung capacity greatly reduced, activity endurance decreased sharply, and very easy to occur in the upper respiratory tract inflammation, should be to the development, older children will also directly affect the heart and lung function. It also has a psychological impact on the child and must be detected and treated early. Surgery is the only effective way to restore the normal appearance of the child’s body as early as possible. Invasive surgery (Nuss surgery) is widely promoted all over the world, which has a small incision, short operation time, less bleeding and no need to cut the rib cartilage. Only a steel plate (preoperative steel plate according to the need to correct the shape of a good bend) from both sides of the chest to make a small incision of 1.5 cm, the steel plate into the period, the steel plate can be turned over, two years later to remove the steel plate is good. 4.The operation time is about 1.5 hours, and you can go to the ground in 5 days. Avoid strenuous activities within two years to prevent deformation.