Milk flaps are white particles or flaps in the baby’s stool, which are due to poor digestion of protein and fat. If the milk flap in your baby’s stool is no larger than the size of a grain of rice, it is normal. When the milk flap in the stool is larger than the size of a grain of rice, it is considered to be indigestion. The milk flap is a combination of undigested protein and minerals in the food, which is not digested by the baby. For breast-fed babies, the mother needs to reduce the protein intake in her own food, that is, eat less high-protein food; on the other hand, it is also related to the baby’s digestive tract development is not perfect. Mixed feeding or artificial feeding babies who eat formula should switch to formula with small molecules of hydrolyzed protein to improve the baby’s indigestion of the large milk proteins in regular formula. The child’s digestive ability is weak, so the formula must be brewed in strict proportion, the concentration should not be too high, the formula should be chosen according to the correct method, and the baby can be given the implementation of a small amount of multiple meals. The mother’s diet should not be too greasy, the protein should not be too much, and the mother should not take too much calcium. Pay attention to the normal growth of the child’s height and weight, then there is no need to worry. If the child’s weight does not increase and the number of stools exceeds 5, it is best to go to the hospital for examination to avoid delaying treatment.