Pineapple is a common fruit, there is no equivalent to the efficacy of drugs and special contraindications, but allergic to pineapple is prohibited. In general, every 100 grams of pineapple contains 44 calories, 10.8 grams of carbohydrates, 0.5 grams of protein, 0.1 grams of fat, 1.3 grams of dietary fiber, so the pineapple has a certain nutritional value, can provide some of the body’s calories and nutrients, diabetic patients need to be careful with the food, so as not to cause an abnormal increase in blood sugar. Moderate consumption of pineapple can provide the body with some energy, replenish some of the required nutrients, to a certain extent, to maintain normal life activities. People who are allergic to pineapple should not consume it to avoid allergic symptoms such as itchy skin.