Pineapple can replenish the body’s need for carbohydrates and other nutrients. However, pineapple does not have the effects and contraindications of drugs, as long as they are not allergic can be consumed appropriately. Pineapple is also a kind of fruit, nutrient-rich, if consumed regularly, can supplement the body’s required nutrients, including carbohydrates, fiber, protein and organic acids. Riboflavin, carotene, and vitamin C content in pineapple fruit is also relatively high, which can help the body to replenish physical energy. Each 100 grams of pineapple contains 50 calories, of which 13.12 grams of carbohydrates, 0.57 grams of protein, 0.12 grams of fat, 13 milligrams of calcium, 47.8 milligrams of vitamin C, 0.29 milligrams of iron. Pineapple is not a drug, there is no efficacy in treating diseases, and there is no contraindication to drugs. Those who are allergic to pineapple should not consume pineapple. Diabetic patients should pay attention to limit their intake appropriately.