If a child has a fever and vomits, the first thing to look at is how much it burns. 1, if it is a low fever, you can give physical cooling, including bubble feet with warm water, rub the feet, palms, and then rub the neck, armpits, thigh roots, these are physical cooling methods. 2, if it is a high fever to give antipyretic medication, vomiting, try not to take antipyretic drugs orally, you can anal plug fever suppositories, like ibuprofen suppositories or acetaminophen suppositories. After vomiting, try not to eat first, usually need to fast for 4 hours, after 4 hours first drink a little warm water, if not vomiting and then eat a little liquid food. If vomiting still occurs or if the temperature is difficult to drop, you must go to the hospital to check for acute abdomen, appendicitis, intussusception, etc.