1, do not take nutritional supplements, such as ginseng, bird’s nest, placenta, chicken embryo, milk at the cow, royal jelly, pollen, honey, protein powder, pupae, etc.; 2, less consumption of soybean products, such as soy milk, tofu, etc.; 3, balanced nutrition, do not eat too much high-protein food; 4, do not eat hormone-containing foods, such as feed-fed snapper, eels, chicken, foreign fast food (such as KFC, McDonald’s), and 5, do not eat snacks (such substances are rich in preservatives, additives), such as beverages, fried food, puffed food, popsicles, drinks milk, drinks yogurt (such as nutrition fast, milk doll, Wahaha, Wangzhi milk, yogurt, etc.); 6, babies can drink pure milk, as well as milk powder without colostrum; 7, try to use non-phosphorus laundry detergent 8, do not sleep with the lights on at night; 9, should use glass bottles (do not use plastic bowls, plastic bottles, PP bottles and other plastic products); 10, reduce the baby’s time facing the computer and television; 11, close contact with the baby’s parents do not use hormone-containing skin care products, cosmetics, bathing milk, shampoo, try to avoid dyeing hair; 12, do not look at the baby’s breast lumps to see Baby breast lumps recede or not and often touch the baby’s breast