Baby gastrointestinal flu is also a type of cold, an upper respiratory tract infection in babies with gastrointestinal symptoms as the main manifestation. Most of them are viral infections and only very few are combined with bacterial infections. Most babies with gastrointestinal flu are those with symptoms of upper respiratory tract infection, such as fever, runny nose, cough, etc., accompanied by symptoms of the digestive tract, including nausea, vomiting, loss of appetite, diarrhea, abdominal pain, etc. Some babies only show nausea, vomiting, stomach discomfort, and redness and swelling of the baby’s throat is found during physical examination, so when a baby has a gastrointestinal flu, the first thing is to let the baby rest more, drink more water, and reduce physical exertion. Therefore, when a baby has a stomach and intestinal flu, the first thing is to let the baby rest, drink more water, reduce physical exertion, and let the gastrointestinal tract rest, do not overeat, do not eat food that is not easy to digest, eat a light diet that is easy to digest, and give the child medication for the cold. At the same time, symptomatic treatment of gastrointestinal symptoms, for vomiting more serious baby, to give the child to take aluminum phosphate gel to stop vomiting, stool is watery, it is necessary to eat montelukast, and at the same time take probiotics to regulate the intestinal environment. When the child has varying degrees of dehydration, the child should also be given rehydration salts to prevent dehydration. For babies with a combination of bacterial infections, oral or intravenous antibiotics should be given to control the infection depending on the severity of the infection. Gastrointestinal colds are very common in babies, and because of the combination of different degrees of gastrointestinal symptoms, the main treatment is symptomatic treatment, antiviral treatment, and antibiotics only if the infection is complicated by a bacterial infection.