Crab is a high-protein food, rich in high-quality protein and trace elements, especially containing more vitamin A, which is good for preventing skin roughness. The crab is a cold food, eat more easily lead to stomach cold, stomach pain, diarrhea, vomiting, etc., so it is best to eat with some hot ginger tea, but also can not eat more, allergic people are not recommended to eat, so as not to induce or intensify allergic reactions, causing rashes and other symptoms. After delivery, we should strengthen the diet nutrition, such as can eat lean meat, eggs, milk and soy products, etc., can supplement protein, enhance maternal resistance, eat more vegetables, fruits, in order to keep bowel movements smooth.