Bananas do not have high glycemic index, glycemic index is 51, for low glycemic index food, diabetic patients can eat bananas appropriately when their condition is stable. Every 100g of banana contains 22g of carbohydrates, glycemic index is 53, eating bananas can also lead to increased blood sugar, but diabetic patients can eat bananas in moderation when the blood sugar is stable, 50-100g is appropriate, it is recommended to eat between meals, eating bananas before and after you can monitor blood sugar. In addition to bananas, diabetic patients can also eat some other fruits with low sugar content, such as cherries, strawberries, blueberries, white peaches, papayas and so on. For more health knowledge of food, you can consult a nutritionist and consume it scientifically and reasonably under the guidance of a doctor.