Acute gastroenteritis in babies is a common disease in pediatrics, and it is recommended to be hospitalized when there is poor sleepiness and not eating, adjusting the diet, intravenous rehydration, anti-infective and antipyretic treatments as appropriate. Acute gastroenteritis is a common gastrointestinal disease in pediatrics, the baby may have a history of improper diet or unclean diet, clinical symptoms such as fever, vomiting or diarrhea, severe condition may appear poor sleepy spirit performance, some of the baby perfect infection indicators can be seen obviously elevated. After the diagnosis of acute gastroenteritis, the spirit of poor sleepy babies do not eat is usually more serious, need to be hospitalized, so that doctors can determine the changes in the condition. For babies with frequent vomiting, temporary fasting is required, and at the same time, intravenous rehydration and electrolyte supplementation should be given to avoid dehydration, while oral administration of Sifaotang Oral Liquid can be used to relieve the symptoms of vomiting. If there are diarrhea symptoms, oral montelukast should be taken. During the course of the disease, the body temperature exceeds 38.5 ℃, can reasonably use ibuprofen and other drugs to reduce fever. Antibacterial drugs (e.g. cefotaxime, etc.) should be used for anti-infection treatment if bacterial infection is suspected. The above drugs need to be used under the guidance of a physician, and it is recommended to actively consult a specialist for treatment.