Patients with high blood glucose can eat some low glycemic index fruits in moderation when their blood glucose is well controlled, which can supplement nutrition without significantly affecting blood glucose fluctuations. Common fruits include grapefruit, avocado, plum, lemon, strawberry, popcorn, apple and pear. It is also recommended to try to eat between meals and avoid eating immediately after meals to avoid high blood sugar. People with good glycemic control should not eat too much fruit at one time, and try not to choose fruits with high glycemic index such as banana, longan, pineapple, cantaloupe, melon, watermelon, etc. The intake of staple food should be appropriately reduced after eating fruits, so as to avoid the rapid rise of blood glucose and affecting glycemic control, or even the emergence of serious complications. For more health knowledge about food, consult a nutritionist for scientific and reasonable consumption under the guidance of a physician.