Infants with bacterial enteritis infections usually recover in about a week, and the exact recovery time is related to the type of bacteria causing the enteritis infection and the infant’s physical condition. Infants may catch a cold or eat unclean food leading to bacterial enteritis, may have abdominal pain, diarrhea, eggdrop soup-like stools, fever, depression and other symptoms, and in severe cases, mucus, pus and blood stools may also occur. Enteritis caused by virulent bacteria is a self-limiting disease, the course of the disease is usually 3~7 days, the course of enteritis caused by invasive Escherichia coli is usually 3~8 days, and the course of Staphylococcus aureus enteritis is usually more than a week, the specific recovery time is related to the type of bacteria that cause enteritis infection and the physical condition of infants, and there are differences between individuals. Bacterial enteritis children need to follow the doctor’s instructions to take antibiotics for anti-infective treatment, antibiotics should be used in a timely manner, standardized, adequate amount, full course of treatment, such as levofloxacin, benzoxiline sodium and so on. Infant bacterial enteritis should go to the hospital in time for treatment, the use of antibiotics should be used under the guidance of the hospital.