Clinically, the factors affecting the fetus during pregnancy mainly depend on the maternal blood sugar, blood pressure, blood lipids, and the condition of nail function. If the maternal internal environment is stable, the indicators are up to standard, and the impact on the fetus is small, the fetus can safely pass the pregnancy and deliver safely. However, if the father of the fetus has diabetes, the fetus will carry the diabetes susceptibility gene. Therefore, after the delivery of a fetus with a family history of diabetes, it is important to pay attention to breastfeeding and avoid overnutrition and obesity to reduce the risk of developing type 2 diabetes. Therefore, fetuses with a family history of diabetes should pay attention to lifestyle interventions to avoid the occurrence of high-risk factors for type 2 diabetes and thus avoid the development of diabetes.