It is recommended that babies eat pineapple after 1 year of age, and when eating, pay attention to the size, observe any allergic reaction. In the baby’s growth and development process, it is recommended that 6-month-old babies start to add complementary foods to iron rich rice flour, formula, vegetable puree, puree-based, in 7 months gradually transitioned to the end of the food, in 12 months to crushed food-based. Pineapple is a tropical fruit, containing a variety of vitamins, fatty acids, dietary fiber, as well as a variety of minerals, moderate consumption can be supplemented with nutrients needed for the growth and development of the body. Some babies may have allergies to pineapple, and the immune system of babies before 1 year old is not yet well developed, so it is recommended that babies start to consume pineapple after 1 week old. In the baby’s first and second time to eat pineapple should be carefully observed whether there is an allergic reaction, and at the same time the first feeding should not be too much.