A one-year-old two-month-old infant pulls after eating food for four or five hours, which may be caused by poor digestion or normal phenomenon, gastrointestinal dysfunction and other reasons. 1. Poor digestion: Because the infant itself has poor spleen and stomach function, parents who give their infants a lot of starch or fatty foods. It will cause the infant to have difficulty in digesting after eating, thus appearing to poop out after four or five hours, or may poop just after eating. Parents are advised to give easily digestible food. 2. Normal phenomenon: Due to the imperfect development of the brain function of infants, eating will cause gastrocolic reflexes, resulting in the urge to poop. The performance of four or five hours after eating food or stool increase, if there are no other symptoms, is a normal phenomenon, parents do not worry too much. 3. Gastrointestinal dysfunction: one year and two months old infants eat food four, five hours after pulling out, may also be caused by gastrointestinal dysfunction. In addition to the increased frequency of stools, infants may also be accompanied by abdominal pain, bloating, anorexia, nausea and other discomforts. The infant can be given oral medication, such as Bacillus subtilis bacillus, to regulate the intestinal flora, and Bohol oral liquid to help digestion. One year and two months old baby ate food four, five hours after pulling out, if accompanied by other discomfort, parents are advised to take the baby to the hospital in a timely manner. The above medications should be used in accordance with medical advice.