Mango contains a certain amount of sugar and calories, which will cause an increase in blood sugar after eating. After normal people eat mango, the body will appropriately increase the secretion of insulin, so as to maintain the blood sugar level in the normal range; however, after eating mango, diabetic patients, due to the defective secretion or action of insulin, it may lead to large fluctuations in blood sugar. Mango has high nutritional value, rich in a variety of vitamins, such as vitamin A, vitamin E, vitamin C, etc. In addition, it also contains dietary fiber and a variety of minerals such as sodium, potassium, phosphorus, magnesium, etc. Moderate intake of mango is beneficial to human health, but diabetic patients should pay attention to moderation. Specific diet program can consult a professional nutritionist to develop.