Eating prunes can raise your sugar level. The higher the carbohydrate content of the food, the higher the glycemic index of the food. Every 100g of prunes has 135KJ of calories and 6.7g of carbohydrates per 100g, and the main source of sugar contained in prunes is fructose, with a glycemic index of 23, which is a low glycemic index food, which means that eating prunes in moderation will only cause a small fluctuation of blood glucose, but the glycemic index is not high. Sweet and sour, prunes are a favorite fruit of many people, rich in calcium, iron, phosphorus and other minerals, moderate consumption can supplement all the nutrients of the human body. Although prunes are good, eating too many of them may cause discomfort, so moderation is recommended. If you are diabetic or have high blood sugar, it is recommended that you eat reasonably under the guidance of a professional doctor.