It is recommended that patients with high blood glucose have their blood glucose controlled within a reasonable range before getting pregnant. During the preparation for pregnancy, women with high blood glucose can control their blood glucose within a reasonable range through lifestyle intervention and taking oral hypoglycemic drugs or insulin injections as prescribed by the doctor, and then get pregnant after they have good control. Commonly used hypoglycemic drugs include metformin hydrochloride tablets, glimepiride tablets, etc. The use of drugs should be in accordance with the doctor’s advice to avoid blindness. Meanwhile, during pregnancy, patients should monitor their blood glucose and glycated hemoglobin levels regularly under the guidance of endocrinologists, and pay attention to small and frequent meals, balanced nutrition, and moderate exercise. It is recommended that patients with high blood glucose should consult a doctor in time and take reasonable diet and standardized medication under the doctor’s guidance.