Breastmilk is the best food for babies, which is very suitable for the digestion, absorption and utilization of baby’s digestive system. In general, the chances of constipation occurring in babies because of breast milk are relatively small, but individual babies may suffer from constipation due to poor gastrointestinal tract function. 1, lactating mothers should pay attention to adjusting their dietary structure and not to eat too spicy and stimulating foods such as onion, ginger, garlic and chili. 2, lactating mothers should pay attention to eating more fresh vegetables and fruits in their daily diet. 3, usually in addition to breastfeeding their children, they should pay attention to feeding their babies with water in appropriate amounts. The first thing you need to do is to make sure that you have the right amount of water to feed your baby. 4. Pay attention to adding complementary foods to your baby on time, and if your baby is 4 months old, you can give your baby a small amount of vegetable or fruit juice.