Children vomiting fever after eating ice cream is mostly due to acute gastroenteritis, may be a viral infection or bacterial infection, it is recommended to take general treatment, medication and other measures to alleviate the condition, to avoid delays. 1. Viral infection: generally can be self-healing, home rest can be improved. You can let your child drink more warm water to avoid dehydration. If the fever does not exceed 38.5 degrees, you can give the whole body warm water bath, reduce wearing and other physical cooling treatment. If the fever is more than 38.5 degrees and there is discomfort, you can give ibuprofen or acetaminophen and other antipyretic drugs. 2. Bacterial infection: After identifying the specific type of infection, take antibiotic medication, such as amoxicillin capsules or cefixime granules, etc., to control the foci of infection in the child’s body as soon as possible, and promote the child’s early recovery. It is recommended to strengthen the child’s daily dietary care, avoiding cold, greasy and spicy foods. During the treatment of the above symptoms, we should maintain a light diet, strengthen the temperature monitoring, etc., and find abnormalities in time to consult the doctor.