Pregnant women with high blood sugar can choose coarse grains such as oats, brown rice and sweet potatoes. The reason why these foods are chosen is firstly because they contain a lot of dietary fiber, dietary fiber can easily make people feel full, thus playing a role in reducing the intake of other calorie foods, which has a certain role in inhibiting the increase of blood sugar in the human body. Secondly, these coarse grains contain a lot of vitamins and fiber, which can not only help promote human intestinal peristalsis, but also play an important role in the balance of blood sugar in the human body, which is helpful for pregnant women with high blood sugar to regulate blood sugar. In addition, these coarse grains also contain a large number of trace elements and organic acids, which can effectively promote the speed of human metabolism, so as to consume excess blood sugar and eliminate some toxins in the body, which has a positive effect on pregnant women with high blood sugar.