1.What is funnel chest and its harm? ”Funnel chest” refers to a thoracic deformity in which the lower part of the sternum is sunken inward, forming a funnel-like appearance. Its cause is still unclear, although rickets can cause, but most of them are caused by congenital developmental abnormalities. A moderately severe funnel chest can compress the heart and lungs, making the child susceptible to respiratory infections and impaired development. More importantly, it causes greater psychological pressure on the patient, and even forms psychological isolation. 2.How does traditional surgery treat funnel chest? The treatment of funnel chest is to make a longitudinal incision of about 20 cm in the anterior chest of the child, cut off the sternum and remove part of the ribs on both sides, then flip the sternum and fix it with steel pins. The operation is traumatic, bleeding, long and slow to recover; in addition, permanent scars are left after the operation, and some patients may have deformed healing. 3.What is minimally invasive treatment for funnel chest and what are its advantages? Minimally invasive thoracoscopic technology is used to fix the special orthopedic plate behind the sternum, which is less traumatic, no bleeding, no incision in the anterior chest, and beautiful appearance. The recovery is fast, generally 3 days to walk out of the hospital, 4 to 6 weeks after allowing normal activities, generally the plate in the human body 2-3 years can be removed. 4.When is the right time for surgery? How much does it cost? The age of surgery is generally 3~20 years old, and the best age for surgery is 4~15 years old. The current cost is 20,000~30,000 RMB.