It can lower blood sugar, but it should be noted that some foods are inedible. Eat less sweets and sugary foods and fruits. It is best not to touch greasy and salty food, and eat more coarse grains, bean products and vegetables. Cooking must use vegetable oil, and the amount should be small, and the daily salt intake should not exceed 3 grams. Those who have the habit of drinking must give up. The cause of hyperglycemia is not exercise, which makes insulin unable to play an effective role. Overeating, or eating a lot of foods with high sugar content in a short time, or drinking a lot of sugary drinks. Long-term drinking or obesity. Emotional instability or chronic stress.