The baby refers to the replacement of new milk powder, this time to slowly adapt to, step by step, from less to more, slowly change milk, not all at once to the new milk powder. The baby’s gastrointestinal function is relatively weak, the digestive system is not fully developed, and the formula of the milk powder is not the same, all at once to the new milk powder, will cause indigestion, serious will also cause diarrhea, bloating and other symptoms. When the baby is changing milk, you can mix the new milk powder into the old milk powder, let the baby slowly get used to the taste of the new milk powder, texture, add a small amount of time until the baby is completely adapted. During the process of transferring the baby to milk, we should pay attention to observe the baby’s gastrointestinal tract and the condition of the stool, there is no gastrointestinal discomfort symptoms and indigestion. If there are symptoms of diarrhea, bloating, allergies, etc., it is recommended to go to the hospital in time for checkups, and transfer milk under the guidance of the doctor.