When the baby has vomited, and then the body fever phenomenon, as parents must pay attention, to first consider the causes of the child vomiting and fever. 1, in general vomiting and fever, is likely to be caused by some gastrointestinal infection, such as eating unclean things, whether it is a viral or bacterial infection, may cause gastrointestinal reactions, is the performance of vomiting and diarrhea, while the body temperature rises. This time, if there is stool, you can keep the stool for examination, often able to find out whether there are abnormalities, for example, if there are many white blood cells, it suggests a bacterial infection, if rotavirus positive, it suggests that there may be rotavirus enteritis. 2, there are some cases of systemic infection or a manifestation of what we usually call gastrointestinal flu. For example, when the influenza virus infection, may be the main performance of the cold and runny nose, or more common, but can also appear on the vomiting and diarrhea. It is important not to think that you have eaten something bad, but to follow the doctor’s orders for flu tests and comprehensive treatment. In conclusion, there are many reasons for vomiting and fever in babies, so treatment must be made according to the individual situation and, if necessary, some medication can be taken under the guidance of a doctor.