It has been introduced to China for a long time, and it has been mentioned in many diet programs. However, let me introduce here ~ GI (glycemic index) refers to the glycemic index of food, which reflects the degree of blood sugar increase caused by food and the reaction of blood sugar after eating. Foods with high GI value are easily absorbed after entering the intestine, and glucose can quickly enter the blood, leading to a faster rise in blood sugar, which is prone to hypertension and hyperglycemia. Foods with low GI value are released and absorbed slowly after entering the intestine, which is not easy to cause changes in blood sugar. Excess insulin also helps to decompose glycogen, fat and protein, burn body fat, and play a role in slimming. 1. grain: coarse grains that are rarely processed. Such as boiled whole wheat, barley and rye; Hard wheat flour and macaroni; Corn-flour porridge, strengthening the consistency of protein, etc. 2. dried beans and their products: the GI value of beans is generally low, such as mung beans, broad beans, lentils and their products; 3. Milk and its products: Most milk products are low GI products, such as milk, whole fat&; Skim milk, milk powder, yogurt, etc. ; 4. Potatoes: raw potatoes and cold-treated potato products, such as taro, lotus root starch and potato vermicelli; 5. Fruits: Fruits with more fruit acids, such as apples, peaches, plums and cherries. 6. Ready-to-eat food: whole wheat or high-fiber products, such as barley bread, casual biscuits, buckwheat instant noodles, etc. 7. Complex diet: Mainly depends on the types and proportions of food, such as steamed stuffed bun, jiaozi, wonton, stewed pork vermicelli, etc. 8. Others: crops containing fructose and lactose and their products. Like peanuts.