Apples are fruits with medium sugar content. Sugar content refers to the carbohydrates contained in each 100 grams of food, the sugar content of apples is generally between 10% and 15%, belonging to the medium sugar content of the fruit, the glycemic index of apples is 36, for the low glycemic index fruit. Diabetic patients can eat some apples, generally does not cause large fluctuations in blood sugar, but should not eat too many apples at once, otherwise it will also cause blood sugar. In addition, diabetic patients can also eat grapefruit, strawberries, cherries, dragon fruit and other fruits, the sugar content of the above fruits is not high. Diabetic patients should eat a healthy diet under the guidance of a doctor.