Vomiting with fever may be due to improper diet, acute gastritis, upper gastrointestinal bleeding, patients need to go to the hospital in time to determine the cause and treat the cause. 1, improper diet: patients usually have unclean diet or overeating, vomiting with fever symptoms. At this time, avoid eating cool food, pay attention to abdominal warmth, and if necessary, take oral haloperidol, flavopiridol with montelukast, vitamin B6, and digestive enzymes under the guidance of a doctor to relieve symptoms. In addition, patients are prone to dehydration symptoms, should be timely rehydration, can drink warm saline or sugar saline, serious cases need timely infusion; 2, acute gastritis: by bacterial infection, physical or chemical stimulation and other factors, as well as various stress reactions stimulate the gastrointestinal tract, vomiting with fever symptoms, should pay attention to avoid triggering factors, for different types of gastritis symptomatic treatment. The abdominal pain can be local hot compresses, the pain is severe to give antispasmodic and analgesic drugs, such as atropine, compound belladonna tablets, scopolamine, etc., if necessary, give oral acid suppressants to reduce gastric acid secretion to reduce mucosal inflammation, can also apply magnesium aluminum carbonate, aluminum thioglycollate and other antacids or mucosal protective drugs; 3, upper gastrointestinal bleeding: patients can appear vomiting, accompanied by fever symptoms, when the vomit is generally coffee-like substances, can Application of acid suppressants, etc. for treatment, serious cases need to seek timely medical attention, hospitalization.