Under normal circumstances the baby should be fed as needed and not eat too much at a time. If too much is eaten, it will increase the burden on the baby’s gastrointestinal tract, leading to vomiting, overflowing milk, and even indigestion, bloating, abdominal discomfort and causing fussiness. If this happens for a long time, the baby’s digestive function will be reduced, and it will also affect the baby’s sleep, leading to restless sleep and easy crying at night. If the child is in a state of illness, especially infectious diseases, such as viral or bacterial infectious diseases, eating too much at this time will also aggravate the original symptoms of the disease, causing slow recovery and delayed recovery. If the child always eats too much, it will also affect the micro-ecosystem of the intestine, which may cause imbalance of the micro-ecosystem and aggravate the symptoms of indigestion.