Diabetic patients control diet: on the one hand, the total daily calorie intake should be controlled; on the other hand, the three major nutrients carbohydrate, protein and fat also have a certain ratio. Specifically, carbohydrates mainly refers to grain, can eat 200-300g per day, according to the patient’s body type to choose, body type overweight and obese can eat less, 200-250g per day; body type normal can eat 250-300g; body type thin can be appropriate to eat more grain. Mainly refers to cereals and potatoes, try to eat with coarse grains, fine grains, do not drink porridge, do not drink a variety of sugary drinks, do not eat snacks. Protein class can eat an egg and about 300ml of milk every day, eat 150-200g of lean meat every day, try to eat fish, chicken, these white meat, less red meat such as pork, beef, lamb, etc., do not eat animal fat, frying less oil, try to use vegetable oil, eat more fresh vegetables, you can eat a pound of vegetables every day, especially green leafy vegetables and other dark vegetables. If the blood sugar is well controlled and the postprandial blood sugar is still below 9mmol/L, you can eat some less sweet fruits between meals, such as orange, grapefruit, kiwi, peach, plum and so on.