Pineapple can be eaten during late pregnancy to improve the poor diet of pregnant women. Pineapple has a sweet and sour taste, and is also a food with high vitamin and fiber content. Eating pineapple in moderation during late pregnancy can regulate the appetite of pregnant women and improve their dietary structure. Women in late pregnancy are prone to constipation due to increased body burden and low activity, eating pineapple in moderation can promote bowel movement and relieve constipation. Pineapple contains a certain amount of sugar, pregnant women who are overweight in late pregnancy or whose fetus has developed too large, try to eat as little pineapple as possible, as it is easy to affect the glycemic index of pregnant women, which is unfavorable to the development of the fetus. Eating pineapple in late pregnancy after the appearance of uncomfortable feelings, to go to the hospital in time to check, under the guidance of the doctor standardized treatment.