Birth defects, commonly referred to as congenital malformations, are divided into several types: minor, severe, lethal, and correctable, and there are more treatment methods for birth defects, but they should be dealt with in a hierarchical manner according to different types, as follows: 1. lethal, untreatable birth defects, such as Down’s syndrome, are serious structural malformations, most of which can be detected during prenatal diagnosis and can be selected for termination of pregnancy; 2. 2, the birth defects found prenatally, but after assessment can be corrected fetus, after birth should be actively to the hospital neonatology, cardiology, pediatric surgery, such as congenital heart disease, prenatal ultrasound can be accurately detected, after birth after assessment, many can be corrected; 3, if prenatal ultrasound did not find birth defects, after birth should be actively assessed, serious children need to be actively treated, polydactyly, paronychia, cleft lip and palate and other minor anomalies Minor deformities such as polydactyly, paronychia, cleft lip and palate can be corrected through surgical procedures.