Patients with gestational diabetes mellitus need to pay attention to avoid eating high-sugar and high-fat foods and control the total calorie intake during the monthly period. Gestational diabetes patients will have elevated blood sugar, so you should strengthen dietary control, avoid eating cakes, milk tea, chocolate, cookies, fried food, fatty meat, animal offal and other high-fat, high-sugar food, try to ensure that the diet of light, according to the individual’s activity level, body weight, height and other factors to develop a total calorie, control the total calorie intake. In addition, you should monitor your blood glucose level during the menstrual period. If your blood glucose is too high, we recommend that you use medication under the guidance of your doctor, and then take a blood glucose test again at the 42-day postnatal checkup to see if your blood glucose has returned to normal. Gestational diabetes patients who do not know the precautions to be taken during menstruation can go to the hospital and consult a specialized doctor.