Pregnant women are allowed to eat pineapple, but they should be careful to eat it in moderation. Pineapple contains carbohydrates, proteins, vitamin A, vitamin C, dietary fiber and a variety of minerals and other nutrients. Eating pineapple during pregnancy can replenish the nutrients and calories needed by the body, in addition, the dietary fiber in pineapple helps to maintain the normal digestive function of the gastrointestinal tract, for pregnant women, generally eating pineapple does not have any adverse effects. However, attention should be paid to moderation, excessive consumption may increase the burden on the gastrointestinal tract, causing discomfort. Pineapple also contains a certain amount of sugar, excessive consumption may cause blood sugar fluctuations, affecting the health of pregnant women and the fetus. In addition, pregnant women should also pay attention to a balanced diet, coarse and fine grains, meat and vegetables with a reasonable mix, regular pregnancy tests.