Pregnant women can eat 3-5 walnuts per day, the specific number of consumption needs to be determined by the specific circumstances of the pregnant woman. Walnuts are a very good nut, rich in unsaturated fatty acids, protein, calcium, iron, zinc, vitamins and many other nutrients. Unsaturated fatty acids, the baby’s retina and brain development is helpful. And calcium, iron, zinc, vitamins, etc., are also indispensable nutrients for the fetus in the process of growth and development, so eating walnuts properly during pregnancy will help the development of the fetus. Walnuts also have a certain role in promoting intestinal peristalsis and lubricating the intestinal tract, which has a certain effect on improving the symptoms of constipation in pregnant women. Although the nutritional value of walnuts is high, but no food should be consumed too much, eat too much, it is likely to cause indigestion, diarrhea, and even obesity, blood pressure and blood sugar too high. It is also necessary to reasonably supplement other foods to ensure balanced nutrition.