Infants who are overfed will have symptoms such as digestive discomfort, paroxysmal crying, change in stool pattern, affecting appetite, excessive obesity, and malnutrition. 1. digestive discomfort: infants overfeeding will appear nausea, vomiting abdominal distension, abdominal pain and other digestive discomfort symptoms. 2. Paroxysmal crying: overfeeding will make the infant’s gastrointestinal tract uncomfortable, resulting in paroxysmal crying. 3. Change of stool shape: overfeeding will make the stool change in character and color, such as foamy stools, loose stools, yellow and green stools, and so on. 4. Impact on appetite: overfeeding will make the baby’s gastrointestinal peristalsis weakened, delayed gastric emptying, resulting in poor appetite, when the second feeding, may not love to eat. 5. excessive obesity: prolonged overfeeding, will lead to excessive weight gain in infants, beyond the normal standard, affecting the normal body movement of infants, such as eight months of the baby should be able to crawl or turn over movements, if excessive obesity will affect the development of sports. Infant overfeeding there are many other manifestations, when the baby is found to be unsuitable, it is recommended to consult a doctor in a timely manner, by a specialist to assess the treatment or treatment.