Genetic inheritance determines many characteristics of the baby, such as height, intelligence, personality, etc., but it is also affected by the acquired environment. The combination of parents\’ genes can affect the baby in different ways, such as the inheritance of traits such as height, intelligence and personality. In addition, living habits and environment will also have an impact on the baby. Therefore, parents should view the laws of genetic inheritance rationally and pay attention to the healthy growth and education of their babies.