Eating pineapple has no efficacy and effect, but pineapple contains certain carbohydrates and other nutrients, normal people appropriate intake is conducive to good health. Food does not have any efficacy, role, eating pineapple can not play a role in the treatment of disease. However, pineapple is rich in nutrients, per 100g of pineapple, water accounted for 88.4g, protein accounted for 0.5g, carbohydrates for 10.8g, potassium 113mg, vitamin C 18mg and so on. Normal people appropriate intake of pineapple, can supplement the body of the missing nutrients. However, it should be noted that, due to the pineapple contains certain citric acid and other components, some gastritis, gastric ulcer and other diseases need to control the amount of pineapple intake, so as not to one time intake of too much, stimulate the mucous membrane of the gastrointestinal tract, resulting in excessive secretion of gastric acid, damage to the health of the body. In daily life, you can also eat more food rich in vitamins and proteins, less spicy and stimulating food. Ensure sufficient rest time, do not overwork. Those who are allergic to pineapple should not eat pineapple.