Chives are known to cause back milk. Eating leeks is not recommended while breastfeeding, and also malt water, ginseng, and whey milk extract are not recommended. These types of foods can inhibit the secretion of milk and lead to insufficient supply of breast milk. In addition, spicy and stimulating foods should not be eaten, such as chili, pepper, fennel and other stimulating foods, which not only easily lead to constipation, but also easily enter the baby’s body through breast milk and affect the baby’s health. The fried, high-fat food should not be eaten, the lactating mother’s digestion is weak, and the nutrition of fried food, in the process of frying has lost a lot. Cured meat and fish should also be eaten sparingly. The daily amount of salt for adults is 4.5-9 grams, according to usual habits, do not eat more salt, more salt will easily burden the kidneys. Also coffee, alcohol and cigarettes should be kept away.