Sugar control dinners during pregnancy suggest eating foods rich in dietary fiber, vegetables, milk, and moderate amounts of low glycemic index fruits. Elevated blood sugar during pregnancy may lead to miscarriage, preterm labor, or macrosomia. Therefore, it is important to control blood sugar during pregnancy. Pregnant women are advised to avoid high-sugar and high-calorie foods, ensure balanced nutrition, consume more foods containing dietary fiber, and eat more fresh vegetables and fruits. It is recommended that the daily calories for gestational diabetes should be about 1,800~2,100kcal, of which sugars account for 50%~60%, proteins account for 20%~25%, and fats 25%~30%. Pregnant women can consume some dietary fiber-rich foods, vegetables, and milk at dinner as appropriate according to the total calories, and eat a moderate amount of low glycemic index fruits. However, care should be taken to avoid excessive control of diet, otherwise it will lead to maternal starvation ketosis and fetal growth restriction. Gestational diabetes, should be reasonable diet, appropriate exercise, formal prenatal examination, pay attention to pregnancy blood glucose and fetal monitoring, under the guidance of the doctor for individualized guidance and treatment.