Crayfish contains more protein and calcium and other nutrients, therefore, after pregnancy, pregnant women can eat crayfish if there is no allergy. Crayfish contains more nutrients, including high-quality protein, fat, a variety of essential amino acids, a variety of vitamins and calcium, iron, iodine and other minerals, is the first choice for pregnant women to supplement protein, calcium and iodine. However, it should be noted that the pregnant woman’s body is more special, should be careful not to eat raw crayfish and spoiled crayfish. And because the head and viscera of crayfish contain a large number of heavy metals and bacteria, pregnant women should be careful not to eat the head and viscera when eating crayfish. At the same time, pay attention to the crawfish cooking method, avoid the use of beer and too spicy ingredients.