Tetralogy of Fallot is a type of congenital heart disease linked to family genetics and is considered quite severe among congenital heart conditions. Generally, within a few months after birth, children will exhibit cyanosis of the skin. It is crucial to perform surgery on the child promptly in such cases. Currently, the level of pediatric cardiothoracic surgery in our country has developed very rapidly. For typical cases of Tetralogy of Fallot, surgical treatment can be curative. Moreover, there are no specific requirements regarding weight and age for children undergoing heart surgery nowadays. Therefore, once Tetralogy of Fallot is diagnosed in young children, it is best to perform surgery as soon as possible. These children can then grow up, develop normally, and attend school like their peers.