Eat pineapple in moderation can be supplemented with carbohydrates and other nutrients for the body, but pineapple eat more than not only will not bring any benefits to the human body, but also may cause excessive caloric intake, acid reflux and other discomforts. Pineapple is a common fruit, each hundred grams contain 44 kilocalories, of which carbohydrates accounted for about 10.8%, crude fiber accounted for about 1.3%, and also contains a wealth of vitamin C and other nutrients, eaten in moderation can provide the body with energy to replenish the nutrients needed by the body. Although pineapple is rich in nutrients, but because of its high sugar content, after consuming too much, may make the body calorie intake exceeds the standard, in addition, pineapple also contains more malic acid, citric acid and other substances, after consuming too much, will also stimulate the stomach and intestines, acid reflux and other discomforts. Diabetic patients need to appropriately limit the intake of pineapple. Pineapple as a food, which contains nutrients is limited, life, it is recommended that people eat a reasonable diet, eat more fresh fruits and vegetables, appropriate supplementation of high-quality protein, as a way to promote the body metabolism.