A year-old baby with fever and vomiting, consider the following aspects: 1, intestinal infections, viruses and bacteria caused by gastrointestinal infections can cause fever, vomiting, should go to the hospital to perform routine blood tests to determine the cause of infection, give anti-infective treatment, while giving rehydration, oral rehydration salt can be taken orally, adjust the diet, eat less and more meals. When the fever and vomiting is serious, you should go to the hospital for examination and give intravenous rehydration if necessary. 2, cold, if the baby is accompanied by nasal congestion, runny nose, light cough and other respiratory symptoms, consider the upper respiratory tract infection caused by gastrointestinal disorders, cold is a self-limiting disease, drink more water, adjust the diet, about a week can be cured. 3, intracranial infection, baby fever, poor mental state, vomiting for jet, pay attention to intracranial infection. You should immediately go to a regular hospital for examination and clear diagnosis. In short, the baby has serious vomiting, do not blindly use antiemetic drugs, should go to the hospital for further examination and give treatment.