Young man eating pineapple helps the body to replenish part of the energy and carotene, vitamin C and other nutrients, to a certain extent, to maintain the body’s metabolism and normal physiological functions of the benefits. Pineapple is a common fruit, which is rich in nutrients, such as water, carotene, vitamin C, calcium, potassium and other nutrients, of which 100 grams of pineapple contains 88.4 grams of water, 20 micrograms of carotene, 18 milligrams of vitamin C, 113 milligrams of potassium and 12 milligrams of calcium. Pineapple should be eaten in moderation and is forbidden for those who are allergic to pineapple. It is recommended to soak pineapple in salt water before eating because pineapple contains “pineapple prion enzyme”, which can cause allergies.