The diet of high blood sugar should pay attention to the main low sugar, control the total calorie, reduce high fat food. 1. Low-sugar-based: The diet of patients with high blood sugar should be low in sugar, and they can choose staple foods such as grains, coarse grains, buckwheat noodles, etc., low-sugar fruits such as pomelo, plums, cherries, oranges, dragon fruits, etc., and vegetables such as celery, spinach, bitter gourd and cauliflower. 2. Control total calories: It is necessary to control the total calories, eat regularly and quantitatively, reduce the intake of staple foods, avoid overeating and excessive hunger, and eat fewer and more frequent meals. 3. Reduce high-fat food: high blood sugar should reduce high-fat food, such as meat, animal offal, barbecue food, etc., so as not to lead to obesity, affecting blood sugar control. High blood sugar should also avoid alcohol, light diet, while the need to increase a certain amount of exercise, regular monitoring of blood sugar.