Pregnant women with high blood sugar and constipation can be improved by eating the following kinds of food. The first one, yam. Pregnant women with high blood sugar, eating yam can lower blood sugar and effectively control blood sugar levels. The second kind, onion. The disulfide, trisulfide, odorant substance thiols and a variety of amino acids in onions have relatively high medicinal value, and can play a role in lowering blood sugar, lowering blood lipids, anti-inflammatory and asthma, and anti-platelet agglutination. The third, purple cabbage. Purple cabbage in purple cabbage polysaccharide, fat, vitamins, proteins and carotene content are relatively rich, of which purple cabbage polysaccharide on the lowering of blood sugar has a very good effect. Eating purple cabbage on an empty stomach or making soup with purple cabbage can lower blood sugar. The fourth, carrots. Carrots are composed of various carotenoids, anthocyanins and vitamins, which have a significant hypoglycemic effect, and can be eaten raw or mashed and drunk. Fifth, black fungus. Black fungus in the black fungus polysaccharide has a hypoglycemic effect, and black fungus also contains more protein, carotene, vitamins and iron, sodium, potassium, calcium and other minerals. Pregnant women eating black fungus can not only lower blood sugar, but also absorb other nutrients that pregnant women need. Pregnant women with high blood sugar and constipation, in addition to eating the above kinds of food to improve, but also through exercise to improve.