The main methods of controlling high blood sugar in pregnant women include diet therapy, exercise therapy, insulin and so on. The details are as follows: 1. Strengthening dietary management: it is the main and most basic treatment method, the principle is that it can provide certain calories to ensure the nutrition of pregnant mother and fetus without leading to abnormal blood glucose. It is recommended to eat less and more frequent meals, balance the diet, control weight gain, and choose foods with low glycemic index as much as possible, such as coarse grains, low-sugar fruits, fresh vegetables, eggs, milk and so on. 2. Moderate exercise: It is recommended to exercise appropriately after half an hour to one hour after meals, with jogging, brisk walking, yoga and other soothing exercises as the main focus, and reduce the amount of exercise if you have heart disease. 3. Insulin treatment: After diet and exercise treatment, blood glucose is still difficult to reach the standard, at this time, insulin treatment should be used in a timely manner, and oral hypoglycemic drug treatment is usually not recommended. Pregnant women with high blood glucose are advised to actively seek medical advice, choose the appropriate treatment measures under the guidance of the doctor, monitor blood glucose regularly and have regular follow-ups.