Women can drink yogurt while breastfeeding, but it should be consumed in moderation, as excessive consumption may cause intestinal discomfort. Breastfeeding women need a lot of nutrients, such as protein, calcium, vitamins, etc. Adequate nutrition can improve the quality and production of breast milk. Yogurt contains protein, calcium, vitamins, etc. Drinking yogurt during breastfeeding helps to replenish these substances. In addition, the probiotics in yogurt are beneficial to the intestinal absorption of protein and can prevent constipation. When drinking yogurt during breastfeeding, care should be taken to avoid drinking chilled yogurt, which may irritate the gastrointestinal tract and cause abdominal pain and diarrhea in lactating mothers. Pregnant women should eat more food rich in protein during pregnancy, such as eggs, lean pork, soy products, milk and so on. It is also necessary to properly supplement shrimp, fish, pork liver, oats, walnuts, peanuts and other foods, eat more fresh vegetables and fruits, to ensure that the intake of food nutritionally balanced, to avoid a single nutrient. If breastfeeding mothers experience uncomfortable reactions after drinking yogurt, it is recommended that they go to the hospital and be treated under the guidance of a doctor.