Vomiting with fever is usually caused by a gastrointestinal cold, irritation in the throat, or indigestion. If the fever is followed by the application of some antipyretic drugs, the stimulation of the drugs will cause stomach discomfort and vomiting, or there may be gastrointestinal infections, which cause fever, gastrointestinal infections will also cause vomiting, accompanied by diarrhea. Overeating, eating too much food that is not easily digested, resulting in excessive food accumulation and indigestion, will also cause fever and vomiting. To be based on there are also some central diseases that cause vomiting due to increased intracranial pressure and also accompanied by fever symptoms. Appendicitis, cholecystitis, etc. also cause fever and vomiting, but they are accompanied by symptoms of abdominal pain. If the fever is accompanied by vomiting, while using antipyretic drugs, pay attention to other accompanying symptoms, determine the cause according to the medical history and auxiliary tests, treat the symptoms, pay attention to rest, drink more water, eat less food, and slowly get better.