If children do not have allergic reaction to pineapple, they can eat some pineapple in moderation, but if they are allergic to pineapple, they should not eat pineapple. If children are not allergic to pineapple, they can eat some pineapple in moderation, which can replenish vitamin C, vitamin B6 and other vitamins for the body, as well as replenish potassium and other trace elements to replenish nutrients for the body. However, children should not eat a lot of pineapple at one time, so as not to cause abdominal pain, diarrhea. If a child is allergic to pineapple, after eating pineapple, he or she may have symptoms such as redness and swelling of the lips and mouth, itchy skin, rash, abdominal pain, diarrhea, etc., and in severe cases, allergic asthma may be induced. Therefore, children who are allergic to pineapple should not eat pineapple. If a child develops allergic symptoms from eating pineapple, he or she should stop eating pineapple immediately and consult a doctor in time to avoid adverse consequences.